Home / 108,136.86-149,218.20-60,389.18

Finding the Fourth Proportional to 108,136.86, 149,218.20 and 60,389.18

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Solution

The fourth proportional to 108,136.86, 149,218.20 and 60,389.18 is: 83,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,136.86 : 149,218.20 = 60,389.18 : x
  2. Step 2: Convert to fraction form
    108,136.86/149,218.20 = 60,389.18/x
  3. Step 3: Cross multiply
    108,136.86x = 149,218.20 × 60,389.18
  4. Step 4: Simplify right side
    108,136.86x = 9,011,164,552.55
  5. Step 5: Solve for x
    x = 9,011,164,552.55/108,136.86
  6. Step 6: Final answer
    x = 83,331.11

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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.