Home / 115,016.24-157,874.41-102,159.92

Finding the Fourth Proportional to 115,016.24, 157,874.41 and 102,159.92

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Solution

The fourth proportional to 115,016.24, 157,874.41 and 102,159.92 is: 140,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,016.24 : 157,874.41 = 102,159.92 : x
  2. Step 2: Convert to fraction form
    115,016.24/157,874.41 = 102,159.92/x
  3. Step 3: Cross multiply
    115,016.24x = 157,874.41 × 102,159.92
  4. Step 4: Simplify right side
    115,016.24x = 16,128,437,095.65
  5. Step 5: Solve for x
    x = 16,128,437,095.65/115,016.24
  6. Step 6: Final answer
    x = 140,227.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.