Home / 142,493.43-213,671.12-58,220.12

Finding the Fourth Proportional to 142,493.43, 213,671.12 and 58,220.12

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Solution

The fourth proportional to 142,493.43, 213,671.12 and 58,220.12 is: 87,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,493.43 : 213,671.12 = 58,220.12 : x
  2. Step 2: Convert to fraction form
    142,493.43/213,671.12 = 58,220.12/x
  3. Step 3: Cross multiply
    142,493.43x = 213,671.12 × 58,220.12
  4. Step 4: Simplify right side
    142,493.43x = 12,439,957,288.11
  5. Step 5: Solve for x
    x = 12,439,957,288.11/142,493.43
  6. Step 6: Final answer
    x = 87,301.97

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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.