Home / 108,210.79-149,331.64-60,466.15

Finding the Fourth Proportional to 108,210.79, 149,331.64 and 60,466.15

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Solution

The fourth proportional to 108,210.79, 149,331.64 and 60,466.15 is: 83,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,210.79 : 149,331.64 = 60,466.15 : x
  2. Step 2: Convert to fraction form
    108,210.79/149,331.64 = 60,466.15/x
  3. Step 3: Cross multiply
    108,210.79x = 149,331.64 × 60,466.15
  4. Step 4: Simplify right side
    108,210.79x = 9,029,508,668.33
  5. Step 5: Solve for x
    x = 9,029,508,668.33/108,210.79
  6. Step 6: Final answer
    x = 83,443.70

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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.