Home / 108,459.91-149,671.34-62,519.70

Finding the Fourth Proportional to 108,459.91, 149,671.34 and 62,519.70

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Solution

The fourth proportional to 108,459.91, 149,671.34 and 62,519.70 is: 86,275.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,459.91 : 149,671.34 = 62,519.70 : x
  2. Step 2: Convert to fraction form
    108,459.91/149,671.34 = 62,519.70/x
  3. Step 3: Cross multiply
    108,459.91x = 149,671.34 × 62,519.70
  4. Step 4: Simplify right side
    108,459.91x = 9,357,407,268.29
  5. Step 5: Solve for x
    x = 9,357,407,268.29/108,459.91
  6. Step 6: Final answer
    x = 86,275.26

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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.