Home / 124,145.92-171,309.52-69,685.61

Finding the Fourth Proportional to 124,145.92, 171,309.52 and 69,685.61

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Solution

The fourth proportional to 124,145.92, 171,309.52 and 69,685.61 is: 96,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,145.92 : 171,309.52 = 69,685.61 : x
  2. Step 2: Convert to fraction form
    124,145.92/171,309.52 = 69,685.61/x
  3. Step 3: Cross multiply
    124,145.92x = 171,309.52 × 69,685.61
  4. Step 4: Simplify right side
    124,145.92x = 11,937,808,594.18
  5. Step 5: Solve for x
    x = 11,937,808,594.18/124,145.92
  6. Step 6: Final answer
    x = 96,159.50

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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.