Home / 141,346.40-212,019.60-82,248.80

Finding the Fourth Proportional to 141,346.40, 212,019.60 and 82,248.80

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Solution

The fourth proportional to 141,346.40, 212,019.60 and 82,248.80 is: 123,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,346.40 : 212,019.60 = 82,248.80 : x
  2. Step 2: Convert to fraction form
    141,346.40/212,019.60 = 82,248.80/x
  3. Step 3: Cross multiply
    141,346.40x = 212,019.60 × 82,248.80
  4. Step 4: Simplify right side
    141,346.40x = 17,438,357,676.48
  5. Step 5: Solve for x
    x = 17,438,357,676.48/141,346.40
  6. Step 6: Final answer
    x = 123,373.20

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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.