Home / 140,082.12-193,310.08-76,422.16

Finding the Fourth Proportional to 140,082.12, 193,310.08 and 76,422.16

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Solution

The fourth proportional to 140,082.12, 193,310.08 and 76,422.16 is: 105,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,082.12 : 193,310.08 = 76,422.16 : x
  2. Step 2: Convert to fraction form
    140,082.12/193,310.08 = 76,422.16/x
  3. Step 3: Cross multiply
    140,082.12x = 193,310.08 × 76,422.16
  4. Step 4: Simplify right side
    140,082.12x = 14,773,173,863.37
  5. Step 5: Solve for x
    x = 14,773,173,863.37/140,082.12
  6. Step 6: Final answer
    x = 105,460.81

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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.