Home / 249,948.80-344,931.36-136,772.48

Finding the Fourth Proportional to 249,948.80, 344,931.36 and 136,772.48

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Solution

The fourth proportional to 249,948.80, 344,931.36 and 136,772.48 is: 188,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,948.80 : 344,931.36 = 136,772.48 : x
  2. Step 2: Convert to fraction form
    249,948.80/344,931.36 = 136,772.48/x
  3. Step 3: Cross multiply
    249,948.80x = 344,931.36 × 136,772.48
  4. Step 4: Simplify right side
    249,948.80x = 47,177,117,536.97
  5. Step 5: Solve for x
    x = 47,177,117,536.97/249,948.80
  6. Step 6: Final answer
    x = 188,747.13

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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.