Home / 140,165.28-193,426.56-76,502.52

Finding the Fourth Proportional to 140,165.28, 193,426.56 and 76,502.52

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Solution

The fourth proportional to 140,165.28, 193,426.56 and 76,502.52 is: 105,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,165.28 : 193,426.56 = 76,502.52 : x
  2. Step 2: Convert to fraction form
    140,165.28/193,426.56 = 76,502.52/x
  3. Step 3: Cross multiply
    140,165.28x = 193,426.56 × 76,502.52
  4. Step 4: Simplify right side
    140,165.28x = 14,797,619,274.93
  5. Step 5: Solve for x
    x = 14,797,619,274.93/140,165.28
  6. Step 6: Final answer
    x = 105,572.64

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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.