Home / 135,726.12-203,589.18-42,213.24

Finding the Fourth Proportional to 135,726.12, 203,589.18 and 42,213.24

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Solution

The fourth proportional to 135,726.12, 203,589.18 and 42,213.24 is: 63,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,726.12 : 203,589.18 = 42,213.24 : x
  2. Step 2: Convert to fraction form
    135,726.12/203,589.18 = 42,213.24/x
  3. Step 3: Cross multiply
    135,726.12x = 203,589.18 × 42,213.24
  4. Step 4: Simplify right side
    135,726.12x = 8,594,158,916.74
  5. Step 5: Solve for x
    x = 8,594,158,916.74/135,726.12
  6. Step 6: Final answer
    x = 63,319.86

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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.