Home / 252,022.61-347,787.13-137,302.63

Finding the Fourth Proportional to 252,022.61, 347,787.13 and 137,302.63

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Solution

The fourth proportional to 252,022.61, 347,787.13 and 137,302.63 is: 189,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,022.61 : 347,787.13 = 137,302.63 : x
  2. Step 2: Convert to fraction form
    252,022.61/347,787.13 = 137,302.63/x
  3. Step 3: Cross multiply
    252,022.61x = 347,787.13 × 137,302.63
  4. Step 4: Simplify right side
    252,022.61x = 47,752,085,203.70
  5. Step 5: Solve for x
    x = 47,752,085,203.70/252,022.61
  6. Step 6: Final answer
    x = 189,475.40

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1.5x scale

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.