Home / 249,156.86-373,789.79-80,694.21

Finding the Fourth Proportional to 249,156.86, 373,789.79 and 80,694.21

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Solution

The fourth proportional to 249,156.86, 373,789.79 and 80,694.21 is: 121,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,156.86 : 373,789.79 = 80,694.21 : x
  2. Step 2: Convert to fraction form
    249,156.86/373,789.79 = 80,694.21/x
  3. Step 3: Cross multiply
    249,156.86x = 373,789.79 × 80,694.21
  4. Step 4: Simplify right side
    249,156.86x = 30,162,673,564.86
  5. Step 5: Solve for x
    x = 30,162,673,564.86/249,156.86
  6. Step 6: Final answer
    x = 121,058.97

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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.