Home / 122,735.81-169,376.45-69,020.35

Finding the Fourth Proportional to 122,735.81, 169,376.45 and 69,020.35

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Solution

The fourth proportional to 122,735.81, 169,376.45 and 69,020.35 is: 95,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,735.81 : 169,376.45 = 69,020.35 : x
  2. Step 2: Convert to fraction form
    122,735.81/169,376.45 = 69,020.35/x
  3. Step 3: Cross multiply
    122,735.81x = 169,376.45 × 69,020.35
  4. Step 4: Simplify right side
    122,735.81x = 11,690,421,092.21
  5. Step 5: Solve for x
    x = 11,690,421,092.21/122,735.81
  6. Step 6: Final answer
    x = 95,248.66

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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.