Home / 249,954.88-344,943.68-142,535.20

Finding the Fourth Proportional to 249,954.88, 344,943.68 and 142,535.20

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Solution

The fourth proportional to 249,954.88, 344,943.68 and 142,535.20 is: 196,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,954.88 : 344,943.68 = 142,535.20 : x
  2. Step 2: Convert to fraction form
    249,954.88/344,943.68 = 142,535.20/x
  3. Step 3: Cross multiply
    249,954.88x = 344,943.68 × 142,535.20
  4. Step 4: Simplify right side
    249,954.88x = 49,166,616,417.54
  5. Step 5: Solve for x
    x = 49,166,616,417.54/249,954.88
  6. Step 6: Final answer
    x = 196,701.97

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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.