Home / 143,520.31-215,271.82-63,534.87

Finding the Fourth Proportional to 143,520.31, 215,271.82 and 63,534.87

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Solution

The fourth proportional to 143,520.31, 215,271.82 and 63,534.87 is: 95,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,520.31 : 215,271.82 = 63,534.87 : x
  2. Step 2: Convert to fraction form
    143,520.31/215,271.82 = 63,534.87/x
  3. Step 3: Cross multiply
    143,520.31x = 215,271.82 × 63,534.87
  4. Step 4: Simplify right side
    143,520.31x = 13,677,266,939.53
  5. Step 5: Solve for x
    x = 13,677,266,939.53/143,520.31
  6. Step 6: Final answer
    x = 95,298.48

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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.