Home / 143,607.74-215,442.68-43,765.29

Finding the Fourth Proportional to 143,607.74, 215,442.68 and 43,765.29

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Solution

The fourth proportional to 143,607.74, 215,442.68 and 43,765.29 is: 65,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,607.74 : 215,442.68 = 43,765.29 : x
  2. Step 2: Convert to fraction form
    143,607.74/215,442.68 = 43,765.29/x
  3. Step 3: Cross multiply
    143,607.74x = 215,442.68 × 43,765.29
  4. Step 4: Simplify right side
    143,607.74x = 9,428,911,149.75
  5. Step 5: Solve for x
    x = 9,428,911,149.75/143,607.74
  6. Step 6: Final answer
    x = 65,657.40

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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.