Home / 249,989.10-344,982.15-136,810.50

Finding the Fourth Proportional to 249,989.10, 344,982.15 and 136,810.50

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Solution

The fourth proportional to 249,989.10, 344,982.15 and 136,810.50 is: 188,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,989.10 : 344,982.15 = 136,810.50 : x
  2. Step 2: Convert to fraction form
    249,989.10/344,982.15 = 136,810.50/x
  3. Step 3: Cross multiply
    249,989.10x = 344,982.15 × 136,810.50
  4. Step 4: Simplify right side
    249,989.10x = 47,197,180,432.58
  5. Step 5: Solve for x
    x = 47,197,180,432.58/249,989.10
  6. Step 6: Final answer
    x = 188,796.95

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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.