Home / 249,387.28-344,139.08-136,203.28

Finding the Fourth Proportional to 249,387.28, 344,139.08 and 136,203.28

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Solution

The fourth proportional to 249,387.28, 344,139.08 and 136,203.28 is: 187,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,387.28 : 344,139.08 = 136,203.28 : x
  2. Step 2: Convert to fraction form
    249,387.28/344,139.08 = 136,203.28/x
  3. Step 3: Cross multiply
    249,387.28x = 344,139.08 × 136,203.28
  4. Step 4: Simplify right side
    249,387.28x = 46,872,871,472.18
  5. Step 5: Solve for x
    x = 46,872,871,472.18/249,387.28
  6. Step 6: Final answer
    x = 187,952.13

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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.