Home / 108,442.86-149,622.66-62,491.20

Finding the Fourth Proportional to 108,442.86, 149,622.66 and 62,491.20

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Solution

The fourth proportional to 108,442.86, 149,622.66 and 62,491.20 is: 86,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,442.86 : 149,622.66 = 62,491.20 : x
  2. Step 2: Convert to fraction form
    108,442.86/149,622.66 = 62,491.20/x
  3. Step 3: Cross multiply
    108,442.86x = 149,622.66 × 62,491.20
  4. Step 4: Simplify right side
    108,442.86x = 9,350,099,570.59
  5. Step 5: Solve for x
    x = 9,350,099,570.59/108,442.86
  6. Step 6: Final answer
    x = 86,221.44

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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.