Home / 113,267.60-169,793.40-42,171.20

Finding the Fourth Proportional to 113,267.60, 169,793.40 and 42,171.20

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Solution

The fourth proportional to 113,267.60, 169,793.40 and 42,171.20 is: 63,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,267.60 : 169,793.40 = 42,171.20 : x
  2. Step 2: Convert to fraction form
    113,267.60/169,793.40 = 42,171.20/x
  3. Step 3: Cross multiply
    113,267.60x = 169,793.40 × 42,171.20
  4. Step 4: Simplify right side
    113,267.60x = 7,160,391,430.08
  5. Step 5: Solve for x
    x = 7,160,391,430.08/113,267.60
  6. Step 6: Final answer
    x = 63,216.59

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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.