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Finding the Fourth Proportional to 129,230.80, 193,820.64 and 122,822.46

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Solution

The fourth proportional to 129,230.80, 193,820.64 and 122,822.46 is: 184,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,230.80 : 193,820.64 = 122,822.46 : x
  2. Step 2: Convert to fraction form
    129,230.80/193,820.64 = 122,822.46/x
  3. Step 3: Cross multiply
    129,230.80x = 193,820.64 × 122,822.46
  4. Step 4: Simplify right side
    129,230.80x = 23,805,527,803.57
  5. Step 5: Solve for x
    x = 23,805,527,803.57/129,230.80
  6. Step 6: Final answer
    x = 184,209.40

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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.