Home / 89,907.40-134,861.10-43,136.20

Finding the Fourth Proportional to 89,907.40, 134,861.10 and 43,136.20

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Solution

The fourth proportional to 89,907.40, 134,861.10 and 43,136.20 is: 64,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,907.40 : 134,861.10 = 43,136.20 : x
  2. Step 2: Convert to fraction form
    89,907.40/134,861.10 = 43,136.20/x
  3. Step 3: Cross multiply
    89,907.40x = 134,861.10 × 43,136.20
  4. Step 4: Simplify right side
    89,907.40x = 5,817,395,381.82
  5. Step 5: Solve for x
    x = 5,817,395,381.82/89,907.40
  6. Step 6: Final answer
    x = 64,704.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.