Home / 463,931.50-695,871.56-126,947.96

Finding the Fourth Proportional to 463,931.50, 695,871.56 and 126,947.96

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Solution

The fourth proportional to 463,931.50, 695,871.56 and 126,947.96 is: 190,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,931.50 : 695,871.56 = 126,947.96 : x
  2. Step 2: Convert to fraction form
    463,931.50/695,871.56 = 126,947.96/x
  3. Step 3: Cross multiply
    463,931.50x = 695,871.56 × 126,947.96
  4. Step 4: Simplify right side
    463,931.50x = 88,339,474,964.02
  5. Step 5: Solve for x
    x = 88,339,474,964.02/463,931.50
  6. Step 6: Final answer
    x = 190,414.91

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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.