Home / 249,155.85-343,830.28-135,979.41

Finding the Fourth Proportional to 249,155.85, 343,830.28 and 135,979.41

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Solution

The fourth proportional to 249,155.85, 343,830.28 and 135,979.41 is: 187,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,155.85 : 343,830.28 = 135,979.41 : x
  2. Step 2: Convert to fraction form
    249,155.85/343,830.28 = 135,979.41/x
  3. Step 3: Cross multiply
    249,155.85x = 343,830.28 × 135,979.41
  4. Step 4: Simplify right side
    249,155.85x = 46,753,838,614.53
  5. Step 5: Solve for x
    x = 46,753,838,614.53/249,155.85
  6. Step 6: Final answer
    x = 187,648.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.