Home / 131,008.23-180,791.31-71,392.23

Finding the Fourth Proportional to 131,008.23, 180,791.31 and 71,392.23

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Solution

The fourth proportional to 131,008.23, 180,791.31 and 71,392.23 is: 98,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,008.23 : 180,791.31 = 71,392.23 : x
  2. Step 2: Convert to fraction form
    131,008.23/180,791.31 = 71,392.23/x
  3. Step 3: Cross multiply
    131,008.23x = 180,791.31 × 71,392.23
  4. Step 4: Simplify right side
    131,008.23x = 12,907,094,785.52
  5. Step 5: Solve for x
    x = 12,907,094,785.52/131,008.23
  6. Step 6: Final answer
    x = 98,521.25

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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.