Home / 112,861.44-155,753.82-64,467.60

Finding the Fourth Proportional to 112,861.44, 155,753.82 and 64,467.60

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Solution

The fourth proportional to 112,861.44, 155,753.82 and 64,467.60 is: 88,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,861.44 : 155,753.82 = 64,467.60 : x
  2. Step 2: Convert to fraction form
    112,861.44/155,753.82 = 64,467.60/x
  3. Step 3: Cross multiply
    112,861.44x = 155,753.82 × 64,467.60
  4. Step 4: Simplify right side
    112,861.44x = 10,041,074,966.23
  5. Step 5: Solve for x
    x = 10,041,074,966.23/112,861.44
  6. Step 6: Final answer
    x = 88,968.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.