Home / 87,200.01-120,304.98-57,002.67

Finding the Fourth Proportional to 87,200.01, 120,304.98 and 57,002.67

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Solution

The fourth proportional to 87,200.01, 120,304.98 and 57,002.67 is: 78,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,200.01 : 120,304.98 = 57,002.67 : x
  2. Step 2: Convert to fraction form
    87,200.01/120,304.98 = 57,002.67/x
  3. Step 3: Cross multiply
    87,200.01x = 120,304.98 × 57,002.67
  4. Step 4: Simplify right side
    87,200.01x = 6,857,705,074.30
  5. Step 5: Solve for x
    x = 6,857,705,074.30/87,200.01
  6. Step 6: Final answer
    x = 78,643.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.