Home / 142,840.07-214,229.35-58,517.55

Finding the Fourth Proportional to 142,840.07, 214,229.35 and 58,517.55

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Solution

The fourth proportional to 142,840.07, 214,229.35 and 58,517.55 is: 87,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,840.07 : 214,229.35 = 58,517.55 : x
  2. Step 2: Convert to fraction form
    142,840.07/214,229.35 = 58,517.55/x
  3. Step 3: Cross multiply
    142,840.07x = 214,229.35 × 58,517.55
  4. Step 4: Simplify right side
    142,840.07x = 12,536,176,700.09
  5. Step 5: Solve for x
    x = 12,536,176,700.09/142,840.07
  6. Step 6: Final answer
    x = 87,763.73

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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.