Home / 156,018.65-234,159.27-146,177.15

Finding the Fourth Proportional to 156,018.65, 234,159.27 and 146,177.15

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Solution

The fourth proportional to 156,018.65, 234,159.27 and 146,177.15 is: 219,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,018.65 : 234,159.27 = 146,177.15 : x
  2. Step 2: Convert to fraction form
    156,018.65/234,159.27 = 146,177.15/x
  3. Step 3: Cross multiply
    156,018.65x = 234,159.27 × 146,177.15
  4. Step 4: Simplify right side
    156,018.65x = 34,228,734,003.79
  5. Step 5: Solve for x
    x = 34,228,734,003.79/156,018.65
  6. Step 6: Final answer
    x = 219,388.73

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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.