Home / 143,588.95-215,358.04-53,611.47

Finding the Fourth Proportional to 143,588.95, 215,358.04 and 53,611.47

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Solution

The fourth proportional to 143,588.95, 215,358.04 and 53,611.47 is: 80,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,588.95 : 215,358.04 = 53,611.47 : x
  2. Step 2: Convert to fraction form
    143,588.95/215,358.04 = 53,611.47/x
  3. Step 3: Cross multiply
    143,588.95x = 215,358.04 × 53,611.47
  4. Step 4: Simplify right side
    143,588.95x = 11,545,661,167.73
  5. Step 5: Solve for x
    x = 11,545,661,167.73/143,588.95
  6. Step 6: Final answer
    x = 80,407.73

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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.