Home / 159,109.46-219,516.42-98,658.35

Finding the Fourth Proportional to 159,109.46, 219,516.42 and 98,658.35

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Solution

The fourth proportional to 159,109.46, 219,516.42 and 98,658.35 is: 136,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,109.46 : 219,516.42 = 98,658.35 : x
  2. Step 2: Convert to fraction form
    159,109.46/219,516.42 = 98,658.35/x
  3. Step 3: Cross multiply
    159,109.46x = 219,516.42 × 98,658.35
  4. Step 4: Simplify right side
    159,109.46x = 21,657,128,343.90
  5. Step 5: Solve for x
    x = 21,657,128,343.90/159,109.46
  6. Step 6: Final answer
    x = 136,114.65

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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.