Home / 249,382.50-344,147.85-136,205.52

Finding the Fourth Proportional to 249,382.50, 344,147.85 and 136,205.52

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Solution

The fourth proportional to 249,382.50, 344,147.85 and 136,205.52 is: 187,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,382.50 : 344,147.85 = 136,205.52 : x
  2. Step 2: Convert to fraction form
    249,382.50/344,147.85 = 136,205.52/x
  3. Step 3: Cross multiply
    249,382.50x = 344,147.85 × 136,205.52
  4. Step 4: Simplify right side
    249,382.50x = 46,874,836,866.13
  5. Step 5: Solve for x
    x = 46,874,836,866.13/249,382.50
  6. Step 6: Final answer
    x = 187,963.62

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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.