Home / 261,951.09-392,757.58-125,100.10

Finding the Fourth Proportional to 261,951.09, 392,757.58 and 125,100.10

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Solution

The fourth proportional to 261,951.09, 392,757.58 and 125,100.10 is: 187,569.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,951.09 : 392,757.58 = 125,100.10 : x
  2. Step 2: Convert to fraction form
    261,951.09/392,757.58 = 125,100.10/x
  3. Step 3: Cross multiply
    261,951.09x = 392,757.58 × 125,100.10
  4. Step 4: Simplify right side
    261,951.09x = 49,134,012,533.76
  5. Step 5: Solve for x
    x = 49,134,012,533.76/261,951.09
  6. Step 6: Final answer
    x = 187,569.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.