Home / 155,890.35-215,079.66-95,397.93

Finding the Fourth Proportional to 155,890.35, 215,079.66 and 95,397.93

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Solution

The fourth proportional to 155,890.35, 215,079.66 and 95,397.93 is: 131,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,890.35 : 215,079.66 = 95,397.93 : x
  2. Step 2: Convert to fraction form
    155,890.35/215,079.66 = 95,397.93/x
  3. Step 3: Cross multiply
    155,890.35x = 215,079.66 × 95,397.93
  4. Step 4: Simplify right side
    155,890.35x = 20,518,154,349.10
  5. Step 5: Solve for x
    x = 20,518,154,349.10/155,890.35
  6. Step 6: Final answer
    x = 131,619.14

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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.