Home / 155,540.90-233,052.15-146,209.70

Finding the Fourth Proportional to 155,540.90, 233,052.15 and 146,209.70

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Solution

The fourth proportional to 155,540.90, 233,052.15 and 146,209.70 is: 219,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,540.90 : 233,052.15 = 146,209.70 : x
  2. Step 2: Convert to fraction form
    155,540.90/233,052.15 = 146,209.70/x
  3. Step 3: Cross multiply
    155,540.90x = 233,052.15 × 146,209.70
  4. Step 4: Simplify right side
    155,540.90x = 34,074,484,935.86
  5. Step 5: Solve for x
    x = 34,074,484,935.86/155,540.90
  6. Step 6: Final answer
    x = 219,070.90

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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.