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Finding the Fourth Proportional to 141,304.88, 212,462.40 and 130,347.20

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Solution

The fourth proportional to 141,304.88, 212,462.40 and 130,347.20 is: 195,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,304.88 : 212,462.40 = 130,347.20 : x
  2. Step 2: Convert to fraction form
    141,304.88/212,462.40 = 130,347.20/x
  3. Step 3: Cross multiply
    141,304.88x = 212,462.40 × 130,347.20
  4. Step 4: Simplify right side
    141,304.88x = 27,693,878,945.28
  5. Step 5: Solve for x
    x = 27,693,878,945.28/141,304.88
  6. Step 6: Final answer
    x = 195,986.71

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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.