Home / 124,007.73-171,129.83-67,419.11

Finding the Fourth Proportional to 124,007.73, 171,129.83 and 67,419.11

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Solution

The fourth proportional to 124,007.73, 171,129.83 and 67,419.11 is: 93,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,007.73 : 171,129.83 = 67,419.11 : x
  2. Step 2: Convert to fraction form
    124,007.73/171,129.83 = 67,419.11/x
  3. Step 3: Cross multiply
    124,007.73x = 171,129.83 × 67,419.11
  4. Step 4: Simplify right side
    124,007.73x = 11,537,419,640.31
  5. Step 5: Solve for x
    x = 11,537,419,640.31/124,007.73
  6. Step 6: Final answer
    x = 93,037.91

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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.