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Finding the Fourth Proportional to 153,159.87, 229,750.77 and 40,839.50

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Solution

The fourth proportional to 153,159.87, 229,750.77 and 40,839.50 is: 61,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,159.87 : 229,750.77 = 40,839.50 : x
  2. Step 2: Convert to fraction form
    153,159.87/229,750.77 = 40,839.50/x
  3. Step 3: Cross multiply
    153,159.87x = 229,750.77 × 40,839.50
  4. Step 4: Simplify right side
    153,159.87x = 9,382,905,422.66
  5. Step 5: Solve for x
    x = 9,382,905,422.66/153,159.87
  6. Step 6: Final answer
    x = 61,262.17

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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.