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Finding the Fourth Proportional to 141,765.52, 212,648.28 and 97,257.36

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Solution

The fourth proportional to 141,765.52, 212,648.28 and 97,257.36 is: 145,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,765.52 : 212,648.28 = 97,257.36 : x
  2. Step 2: Convert to fraction form
    141,765.52/212,648.28 = 97,257.36/x
  3. Step 3: Cross multiply
    141,765.52x = 212,648.28 × 97,257.36
  4. Step 4: Simplify right side
    141,765.52x = 20,681,610,321.34
  5. Step 5: Solve for x
    x = 20,681,610,321.34/141,765.52
  6. Step 6: Final answer
    x = 145,886.04

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1.5x scale

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.