Home / 249,387.87-344,153.12-136,208.19

Finding the Fourth Proportional to 249,387.87, 344,153.12 and 136,208.19

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Solution

The fourth proportional to 249,387.87, 344,153.12 and 136,208.19 is: 187,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,387.87 : 344,153.12 = 136,208.19 : x
  2. Step 2: Convert to fraction form
    249,387.87/344,153.12 = 136,208.19/x
  3. Step 3: Cross multiply
    249,387.87x = 344,153.12 × 136,208.19
  4. Step 4: Simplify right side
    249,387.87x = 46,876,473,558.05
  5. Step 5: Solve for x
    x = 46,876,473,558.05/249,387.87
  6. Step 6: Final answer
    x = 187,966.13

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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.