Home / 124,456.64-171,746.88-67,869.12

Finding the Fourth Proportional to 124,456.64, 171,746.88 and 67,869.12

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Solution

The fourth proportional to 124,456.64, 171,746.88 and 67,869.12 is: 93,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,456.64 : 171,746.88 = 67,869.12 : x
  2. Step 2: Convert to fraction form
    124,456.64/171,746.88 = 67,869.12/x
  3. Step 3: Cross multiply
    124,456.64x = 171,746.88 × 67,869.12
  4. Step 4: Simplify right side
    124,456.64x = 11,656,309,608.35
  5. Step 5: Solve for x
    x = 11,656,309,608.35/124,456.64
  6. Step 6: Final answer
    x = 93,657.60

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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.