Home / 179,332.72-269,203.20-90,686.32

Finding the Fourth Proportional to 179,332.72, 269,203.20 and 90,686.32

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Solution

The fourth proportional to 179,332.72, 269,203.20 and 90,686.32 is: 136,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,332.72 : 269,203.20 = 90,686.32 : x
  2. Step 2: Convert to fraction form
    179,332.72/269,203.20 = 90,686.32/x
  3. Step 3: Cross multiply
    179,332.72x = 269,203.20 × 90,686.32
  4. Step 4: Simplify right side
    179,332.72x = 24,413,047,540.22
  5. Step 5: Solve for x
    x = 24,413,047,540.22/179,332.72
  6. Step 6: Final answer
    x = 136,132.70

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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.