Home / 145,854.55-218,694.29-57,002.20

Finding the Fourth Proportional to 145,854.55, 218,694.29 and 57,002.20

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Solution

The fourth proportional to 145,854.55, 218,694.29 and 57,002.20 is: 85,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,854.55 : 218,694.29 = 57,002.20 : x
  2. Step 2: Convert to fraction form
    145,854.55/218,694.29 = 57,002.20/x
  3. Step 3: Cross multiply
    145,854.55x = 218,694.29 × 57,002.20
  4. Step 4: Simplify right side
    145,854.55x = 12,466,054,278.96
  5. Step 5: Solve for x
    x = 12,466,054,278.96/145,854.55
  6. Step 6: Final answer
    x = 85,469.08

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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.