Home / 143,525.52-215,298-38,355.12

Finding the Fourth Proportional to 143,525.52, 215,298 and 38,355.12

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Solution

The fourth proportional to 143,525.52, 215,298 and 38,355.12 is: 57,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,525.52 : 215,298 = 38,355.12 : x
  2. Step 2: Convert to fraction form
    143,525.52/215,298 = 38,355.12/x
  3. Step 3: Cross multiply
    143,525.52x = 215,298 × 38,355.12
  4. Step 4: Simplify right side
    143,525.52x = 8,257,780,625.76
  5. Step 5: Solve for x
    x = 8,257,780,625.76/143,525.52
  6. Step 6: Final answer
    x = 57,535.28

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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.