Home / 113,259.60-169,781.40-42,163.20

Finding the Fourth Proportional to 113,259.60, 169,781.40 and 42,163.20

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Solution

The fourth proportional to 113,259.60, 169,781.40 and 42,163.20 is: 63,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,259.60 : 169,781.40 = 42,163.20 : x
  2. Step 2: Convert to fraction form
    113,259.60/169,781.40 = 42,163.20/x
  3. Step 3: Cross multiply
    113,259.60x = 169,781.40 × 42,163.20
  4. Step 4: Simplify right side
    113,259.60x = 7,158,527,124.48
  5. Step 5: Solve for x
    x = 7,158,527,124.48/113,259.60
  6. Step 6: Final answer
    x = 63,204.59

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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.