Home / 131,319.46-197,010.38-42,573.03

Finding the Fourth Proportional to 131,319.46, 197,010.38 and 42,573.03

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Solution

The fourth proportional to 131,319.46, 197,010.38 and 42,573.03 is: 63,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,319.46 : 197,010.38 = 42,573.03 : x
  2. Step 2: Convert to fraction form
    131,319.46/197,010.38 = 42,573.03/x
  3. Step 3: Cross multiply
    131,319.46x = 197,010.38 × 42,573.03
  4. Step 4: Simplify right side
    131,319.46x = 8,387,328,818.05
  5. Step 5: Solve for x
    x = 8,387,328,818.05/131,319.46
  6. Step 6: Final answer
    x = 63,869.66

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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.