Home / 153,279.34-229,851.98-77,331.15

Finding the Fourth Proportional to 153,279.34, 229,851.98 and 77,331.15

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Solution

The fourth proportional to 153,279.34, 229,851.98 and 77,331.15 is: 115,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,279.34 : 229,851.98 = 77,331.15 : x
  2. Step 2: Convert to fraction form
    153,279.34/229,851.98 = 77,331.15/x
  3. Step 3: Cross multiply
    153,279.34x = 229,851.98 × 77,331.15
  4. Step 4: Simplify right side
    153,279.34x = 17,774,717,943.18
  5. Step 5: Solve for x
    x = 17,774,717,943.18/153,279.34
  6. Step 6: Final answer
    x = 115,962.91

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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.