Home / 153,261.40-229,892.10-82,402.60

Finding the Fourth Proportional to 153,261.40, 229,892.10 and 82,402.60

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Solution

The fourth proportional to 153,261.40, 229,892.10 and 82,402.60 is: 123,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,261.40 : 229,892.10 = 82,402.60 : x
  2. Step 2: Convert to fraction form
    153,261.40/229,892.10 = 82,402.60/x
  3. Step 3: Cross multiply
    153,261.40x = 229,892.10 × 82,402.60
  4. Step 4: Simplify right side
    153,261.40x = 18,943,706,759.46
  5. Step 5: Solve for x
    x = 18,943,706,759.46/153,261.40
  6. Step 6: Final answer
    x = 123,603.90

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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.