Home / 141,966.30-212,768.55-75,438.30

Finding the Fourth Proportional to 141,966.30, 212,768.55 and 75,438.30

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Solution

The fourth proportional to 141,966.30, 212,768.55 and 75,438.30 is: 113,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,966.30 : 212,768.55 = 75,438.30 : x
  2. Step 2: Convert to fraction form
    141,966.30/212,768.55 = 75,438.30/x
  3. Step 3: Cross multiply
    141,966.30x = 212,768.55 × 75,438.30
  4. Step 4: Simplify right side
    141,966.30x = 16,050,897,705.47
  5. Step 5: Solve for x
    x = 16,050,897,705.47/141,966.30
  6. Step 6: Final answer
    x = 113,061.32

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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.