Home / 153,176.40-229,764.60-47,981.70

Finding the Fourth Proportional to 153,176.40, 229,764.60 and 47,981.70

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Solution

The fourth proportional to 153,176.40, 229,764.60 and 47,981.70 is: 71,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,176.40 : 229,764.60 = 47,981.70 : x
  2. Step 2: Convert to fraction form
    153,176.40/229,764.60 = 47,981.70/x
  3. Step 3: Cross multiply
    153,176.40x = 229,764.60 × 47,981.70
  4. Step 4: Simplify right side
    153,176.40x = 11,024,496,107.82
  5. Step 5: Solve for x
    x = 11,024,496,107.82/153,176.40
  6. Step 6: Final answer
    x = 71,972.55

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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.