Home / 152,904.30-229,356.45-146,780.70

Finding the Fourth Proportional to 152,904.30, 229,356.45 and 146,780.70

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Solution

The fourth proportional to 152,904.30, 229,356.45 and 146,780.70 is: 220,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,904.30 : 229,356.45 = 146,780.70 : x
  2. Step 2: Convert to fraction form
    152,904.30/229,356.45 = 146,780.70/x
  3. Step 3: Cross multiply
    152,904.30x = 229,356.45 × 146,780.70
  4. Step 4: Simplify right side
    152,904.30x = 33,665,100,280.52
  5. Step 5: Solve for x
    x = 33,665,100,280.52/152,904.30
  6. Step 6: Final answer
    x = 220,171.05

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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.