Home / 143,475.08-215,204.31-54,737.55

Finding the Fourth Proportional to 143,475.08, 215,204.31 and 54,737.55

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Solution

The fourth proportional to 143,475.08, 215,204.31 and 54,737.55 is: 82,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,475.08 : 215,204.31 = 54,737.55 : x
  2. Step 2: Convert to fraction form
    143,475.08/215,204.31 = 54,737.55/x
  3. Step 3: Cross multiply
    143,475.08x = 215,204.31 × 54,737.55
  4. Step 4: Simplify right side
    143,475.08x = 11,779,756,678.84
  5. Step 5: Solve for x
    x = 11,779,756,678.84/143,475.08
  6. Step 6: Final answer
    x = 82,103.16

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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.