Home / 122,757.12-169,384.98-69,038.92

Finding the Fourth Proportional to 122,757.12, 169,384.98 and 69,038.92

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Solution

The fourth proportional to 122,757.12, 169,384.98 and 69,038.92 is: 95,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,757.12 : 169,384.98 = 69,038.92 : x
  2. Step 2: Convert to fraction form
    122,757.12/169,384.98 = 69,038.92/x
  3. Step 3: Cross multiply
    122,757.12x = 169,384.98 × 69,038.92
  4. Step 4: Simplify right side
    122,757.12x = 11,694,156,083.42
  5. Step 5: Solve for x
    x = 11,694,156,083.42/122,757.12
  6. Step 6: Final answer
    x = 95,262.55

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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.