Home / 88,831.20-122,444.60-60,141.84

Finding the Fourth Proportional to 88,831.20, 122,444.60 and 60,141.84

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Solution

The fourth proportional to 88,831.20, 122,444.60 and 60,141.84 is: 82,899.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,831.20 : 122,444.60 = 60,141.84 : x
  2. Step 2: Convert to fraction form
    88,831.20/122,444.60 = 60,141.84/x
  3. Step 3: Cross multiply
    88,831.20x = 122,444.60 × 60,141.84
  4. Step 4: Simplify right side
    88,831.20x = 7,364,043,542.06
  5. Step 5: Solve for x
    x = 7,364,043,542.06/88,831.20
  6. Step 6: Final answer
    x = 82,899.29

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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.