Home / 136,770.38-205,089.86-64,663.24

Finding the Fourth Proportional to 136,770.38, 205,089.86 and 64,663.24

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Solution

The fourth proportional to 136,770.38, 205,089.86 and 64,663.24 is: 96,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,770.38 : 205,089.86 = 64,663.24 : x
  2. Step 2: Convert to fraction form
    136,770.38/205,089.86 = 64,663.24/x
  3. Step 3: Cross multiply
    136,770.38x = 205,089.86 × 64,663.24
  4. Step 4: Simplify right side
    136,770.38x = 13,261,774,838.75
  5. Step 5: Solve for x
    x = 13,261,774,838.75/136,770.38
  6. Step 6: Final answer
    x = 96,963.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.