Home / 249,964.78-344,951.37-136,787.50

Finding the Fourth Proportional to 249,964.78, 344,951.37 and 136,787.50

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Solution

The fourth proportional to 249,964.78, 344,951.37 and 136,787.50 is: 188,766.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,964.78 : 344,951.37 = 136,787.50 : x
  2. Step 2: Convert to fraction form
    249,964.78/344,951.37 = 136,787.50/x
  3. Step 3: Cross multiply
    249,964.78x = 344,951.37 × 136,787.50
  4. Step 4: Simplify right side
    249,964.78x = 47,185,035,523.88
  5. Step 5: Solve for x
    x = 47,185,035,523.88/249,964.78
  6. Step 6: Final answer
    x = 188,766.74

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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.