Home / 140,624.64-193,860.18-100,268.46

Finding the Fourth Proportional to 140,624.64, 193,860.18 and 100,268.46

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Solution

The fourth proportional to 140,624.64, 193,860.18 and 100,268.46 is: 138,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,624.64 : 193,860.18 = 100,268.46 : x
  2. Step 2: Convert to fraction form
    140,624.64/193,860.18 = 100,268.46/x
  3. Step 3: Cross multiply
    140,624.64x = 193,860.18 × 100,268.46
  4. Step 4: Simplify right side
    140,624.64x = 19,438,061,703.92
  5. Step 5: Solve for x
    x = 19,438,061,703.92/140,624.64
  6. Step 6: Final answer
    x = 138,226.57

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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.