Home / 143,417.85-215,126.61-43,577.65

Finding the Fourth Proportional to 143,417.85, 215,126.61 and 43,577.65

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Solution

The fourth proportional to 143,417.85, 215,126.61 and 43,577.65 is: 65,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,417.85 : 215,126.61 = 43,577.65 : x
  2. Step 2: Convert to fraction form
    143,417.85/215,126.61 = 43,577.65/x
  3. Step 3: Cross multiply
    143,417.85x = 215,126.61 × 43,577.65
  4. Step 4: Simplify right side
    143,417.85x = 9,374,712,116.27
  5. Step 5: Solve for x
    x = 9,374,712,116.27/143,417.85
  6. Step 6: Final answer
    x = 65,366.42

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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.