Home / 130,944.86-196,503.42-71,822

Finding the Fourth Proportional to 130,944.86, 196,503.42 and 71,822

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Solution

The fourth proportional to 130,944.86, 196,503.42 and 71,822 is: 107,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,944.86 : 196,503.42 = 71,822 : x
  2. Step 2: Convert to fraction form
    130,944.86/196,503.42 = 71,822/x
  3. Step 3: Cross multiply
    130,944.86x = 196,503.42 × 71,822
  4. Step 4: Simplify right side
    130,944.86x = 14,113,268,631.24
  5. Step 5: Solve for x
    x = 14,113,268,631.24/130,944.86
  6. Step 6: Final answer
    x = 107,780.24

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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.