Home / 130,957.46-196,437.42-71,760.81

Finding the Fourth Proportional to 130,957.46, 196,437.42 and 71,760.81

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Solution

The fourth proportional to 130,957.46, 196,437.42 and 71,760.81 is: 107,641.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,957.46 : 196,437.42 = 71,760.81 : x
  2. Step 2: Convert to fraction form
    130,957.46/196,437.42 = 71,760.81/x
  3. Step 3: Cross multiply
    130,957.46x = 196,437.42 × 71,760.81
  4. Step 4: Simplify right side
    130,957.46x = 14,096,508,373.51
  5. Step 5: Solve for x
    x = 14,096,508,373.51/130,957.46
  6. Step 6: Final answer
    x = 107,641.89

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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.