Home / 132,258.08-182,519.38-71,831.28

Finding the Fourth Proportional to 132,258.08, 182,519.38 and 71,831.28

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Solution

The fourth proportional to 132,258.08, 182,519.38 and 71,831.28 is: 99,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,258.08 : 182,519.38 = 71,831.28 : x
  2. Step 2: Convert to fraction form
    132,258.08/182,519.38 = 71,831.28/x
  3. Step 3: Cross multiply
    132,258.08x = 182,519.38 × 71,831.28
  4. Step 4: Simplify right side
    132,258.08x = 13,110,600,690.21
  5. Step 5: Solve for x
    x = 13,110,600,690.21/132,258.08
  6. Step 6: Final answer
    x = 99,128.92

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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.