Home / 131,470.07-197,293.83-51,498.11

Finding the Fourth Proportional to 131,470.07, 197,293.83 and 51,498.11

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Solution

The fourth proportional to 131,470.07, 197,293.83 and 51,498.11 is: 77,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,470.07 : 197,293.83 = 51,498.11 : x
  2. Step 2: Convert to fraction form
    131,470.07/197,293.83 = 51,498.11/x
  3. Step 3: Cross multiply
    131,470.07x = 197,293.83 × 51,498.11
  4. Step 4: Simplify right side
    131,470.07x = 10,160,259,359.66
  5. Step 5: Solve for x
    x = 10,160,259,359.66/131,470.07
  6. Step 6: Final answer
    x = 77,281.92

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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.