Home / 249,871.43-344,825.30-136,691.75

Finding the Fourth Proportional to 249,871.43, 344,825.30 and 136,691.75

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Solution

The fourth proportional to 249,871.43, 344,825.30 and 136,691.75 is: 188,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,871.43 : 344,825.30 = 136,691.75 : x
  2. Step 2: Convert to fraction form
    249,871.43/344,825.30 = 136,691.75/x
  3. Step 3: Cross multiply
    249,871.43x = 344,825.30 × 136,691.75
  4. Step 4: Simplify right side
    249,871.43x = 47,134,773,017.82
  5. Step 5: Solve for x
    x = 47,134,773,017.82/249,871.43
  6. Step 6: Final answer
    x = 188,636.10

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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.