Home / 123,125.13-169,902.50-69,423.35

Finding the Fourth Proportional to 123,125.13, 169,902.50 and 69,423.35

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Solution

The fourth proportional to 123,125.13, 169,902.50 and 69,423.35 is: 95,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,125.13 : 169,902.50 = 69,423.35 : x
  2. Step 2: Convert to fraction form
    123,125.13/169,902.50 = 69,423.35/x
  3. Step 3: Cross multiply
    123,125.13x = 169,902.50 × 69,423.35
  4. Step 4: Simplify right side
    123,125.13x = 11,795,199,526.75
  5. Step 5: Solve for x
    x = 11,795,199,526.75/123,125.13
  6. Step 6: Final answer
    x = 95,798.47

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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.