Home / 131,761.12-197,615.40-47,518.96

Finding the Fourth Proportional to 131,761.12, 197,615.40 and 47,518.96

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Solution

The fourth proportional to 131,761.12, 197,615.40 and 47,518.96 is: 71,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,761.12 : 197,615.40 = 47,518.96 : x
  2. Step 2: Convert to fraction form
    131,761.12/197,615.40 = 47,518.96/x
  3. Step 3: Cross multiply
    131,761.12x = 197,615.40 × 47,518.96
  4. Step 4: Simplify right side
    131,761.12x = 9,390,478,287.98
  5. Step 5: Solve for x
    x = 9,390,478,287.98/131,761.12
  6. Step 6: Final answer
    x = 71,268.96

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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.