Home / 121,381.32-182,071.97-38,275.32

Finding the Fourth Proportional to 121,381.32, 182,071.97 and 38,275.32

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Solution

The fourth proportional to 121,381.32, 182,071.97 and 38,275.32 is: 57,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,381.32 : 182,071.97 = 38,275.32 : x
  2. Step 2: Convert to fraction form
    121,381.32/182,071.97 = 38,275.32/x
  3. Step 3: Cross multiply
    121,381.32x = 182,071.97 × 38,275.32
  4. Step 4: Simplify right side
    121,381.32x = 6,968,862,723.40
  5. Step 5: Solve for x
    x = 6,968,862,723.40/121,381.32
  6. Step 6: Final answer
    x = 57,412.98

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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.