Home / 143,909.28-215,888.88-44,067.12

Finding the Fourth Proportional to 143,909.28, 215,888.88 and 44,067.12

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Solution

The fourth proportional to 143,909.28, 215,888.88 and 44,067.12 is: 66,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,909.28 : 215,888.88 = 44,067.12 : x
  2. Step 2: Convert to fraction form
    143,909.28/215,888.88 = 44,067.12/x
  3. Step 3: Cross multiply
    143,909.28x = 215,888.88 × 44,067.12
  4. Step 4: Simplify right side
    143,909.28x = 9,513,601,181.63
  5. Step 5: Solve for x
    x = 9,513,601,181.63/143,909.28
  6. Step 6: Final answer
    x = 66,108.32

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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.