Home / 153,902.20-230,853.30-54,077.80

Finding the Fourth Proportional to 153,902.20, 230,853.30 and 54,077.80

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Solution

The fourth proportional to 153,902.20, 230,853.30 and 54,077.80 is: 81,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,902.20 : 230,853.30 = 54,077.80 : x
  2. Step 2: Convert to fraction form
    153,902.20/230,853.30 = 54,077.80/x
  3. Step 3: Cross multiply
    153,902.20x = 230,853.30 × 54,077.80
  4. Step 4: Simplify right side
    153,902.20x = 12,484,038,586.74
  5. Step 5: Solve for x
    x = 12,484,038,586.74/153,902.20
  6. Step 6: Final answer
    x = 81,116.70

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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.