Home / 153,320.16-229,945.68-42,520.80

Finding the Fourth Proportional to 153,320.16, 229,945.68 and 42,520.80

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Solution

The fourth proportional to 153,320.16, 229,945.68 and 42,520.80 is: 63,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,320.16 : 229,945.68 = 42,520.80 : x
  2. Step 2: Convert to fraction form
    153,320.16/229,945.68 = 42,520.80/x
  3. Step 3: Cross multiply
    153,320.16x = 229,945.68 × 42,520.80
  4. Step 4: Simplify right side
    153,320.16x = 9,777,474,270.14
  5. Step 5: Solve for x
    x = 9,777,474,270.14/153,320.16
  6. Step 6: Final answer
    x = 63,771.62

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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.