Home / 249,959.70-344,943.09-136,784.34

Finding the Fourth Proportional to 249,959.70, 344,943.09 and 136,784.34

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Solution

The fourth proportional to 249,959.70, 344,943.09 and 136,784.34 is: 188,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,959.70 : 344,943.09 = 136,784.34 : x
  2. Step 2: Convert to fraction form
    249,959.70/344,943.09 = 136,784.34/x
  3. Step 3: Cross multiply
    249,959.70x = 344,943.09 × 136,784.34
  4. Step 4: Simplify right side
    249,959.70x = 47,182,812,903.21
  5. Step 5: Solve for x
    x = 47,182,812,903.21/249,959.70
  6. Step 6: Final answer
    x = 188,761.68

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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.