Home / 64,901.20-97,344.60-18,158.80

Finding the Fourth Proportional to 64,901.20, 97,344.60 and 18,158.80

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Solution

The fourth proportional to 64,901.20, 97,344.60 and 18,158.80 is: 27,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.20 : 97,344.60 = 18,158.80 : x
  2. Step 2: Convert to fraction form
    64,901.20/97,344.60 = 18,158.80/x
  3. Step 3: Cross multiply
    64,901.20x = 97,344.60 × 18,158.80
  4. Step 4: Simplify right side
    64,901.20x = 1,767,661,122.48
  5. Step 5: Solve for x
    x = 1,767,661,122.48/64,901.20
  6. Step 6: Final answer
    x = 27,236.19

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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.