Home / 156,094.74-215,516.03-102,470.72

Finding the Fourth Proportional to 156,094.74, 215,516.03 and 102,470.72

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Solution

The fourth proportional to 156,094.74, 215,516.03 and 102,470.72 is: 141,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,094.74 : 215,516.03 = 102,470.72 : x
  2. Step 2: Convert to fraction form
    156,094.74/215,516.03 = 102,470.72/x
  3. Step 3: Cross multiply
    156,094.74x = 215,516.03 × 102,470.72
  4. Step 4: Simplify right side
    156,094.74x = 22,084,081,175.71
  5. Step 5: Solve for x
    x = 22,084,081,175.71/156,094.74
  6. Step 6: Final answer
    x = 141,478.70

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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.