Home / 141,421.25-212,190.62-57,240.92

Finding the Fourth Proportional to 141,421.25, 212,190.62 and 57,240.92

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Solution

The fourth proportional to 141,421.25, 212,190.62 and 57,240.92 is: 85,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,421.25 : 212,190.62 = 57,240.92 : x
  2. Step 2: Convert to fraction form
    141,421.25/212,190.62 = 57,240.92/x
  3. Step 3: Cross multiply
    141,421.25x = 212,190.62 × 57,240.92
  4. Step 4: Simplify right side
    141,421.25x = 12,145,984,957.01
  5. Step 5: Solve for x
    x = 12,145,984,957.01/141,421.25
  6. Step 6: Final answer
    x = 85,885.15

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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.