Home / 60,178.76-90,272.23-15,805.43

Finding the Fourth Proportional to 60,178.76, 90,272.23 and 15,805.43

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Solution

The fourth proportional to 60,178.76, 90,272.23 and 15,805.43 is: 23,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,178.76 : 90,272.23 = 15,805.43 : x
  2. Step 2: Convert to fraction form
    60,178.76/90,272.23 = 15,805.43/x
  3. Step 3: Cross multiply
    60,178.76x = 90,272.23 × 15,805.43
  4. Step 4: Simplify right side
    60,178.76x = 1,426,791,412.21
  5. Step 5: Solve for x
    x = 1,426,791,412.21/60,178.76
  6. Step 6: Final answer
    x = 23,709.22

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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.