Home / 99,272.18-148,926.74-40,149.34

Finding the Fourth Proportional to 99,272.18, 148,926.74 and 40,149.34

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Solution

The fourth proportional to 99,272.18, 148,926.74 and 40,149.34 is: 60,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,272.18 : 148,926.74 = 40,149.34 : x
  2. Step 2: Convert to fraction form
    99,272.18/148,926.74 = 40,149.34/x
  3. Step 3: Cross multiply
    99,272.18x = 148,926.74 × 40,149.34
  4. Step 4: Simplify right side
    99,272.18x = 5,979,309,746.29
  5. Step 5: Solve for x
    x = 5,979,309,746.29/99,272.18
  6. Step 6: Final answer
    x = 60,231.47

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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.