Home / 101,502.43-140,071.39-56,180.41

Finding the Fourth Proportional to 101,502.43, 140,071.39 and 56,180.41

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Solution

The fourth proportional to 101,502.43, 140,071.39 and 56,180.41 is: 77,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,502.43 : 140,071.39 = 56,180.41 : x
  2. Step 2: Convert to fraction form
    101,502.43/140,071.39 = 56,180.41/x
  3. Step 3: Cross multiply
    101,502.43x = 140,071.39 × 56,180.41
  4. Step 4: Simplify right side
    101,502.43x = 7,869,268,119.47
  5. Step 5: Solve for x
    x = 7,869,268,119.47/101,502.43
  6. Step 6: Final answer
    x = 77,527.88

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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.