Home / 165,742.20-248,830.11-98,397.18

Finding the Fourth Proportional to 165,742.20, 248,830.11 and 98,397.18

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Solution

The fourth proportional to 165,742.20, 248,830.11 and 98,397.18 is: 147,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,742.20 : 248,830.11 = 98,397.18 : x
  2. Step 2: Convert to fraction form
    165,742.20/248,830.11 = 98,397.18/x
  3. Step 3: Cross multiply
    165,742.20x = 248,830.11 × 98,397.18
  4. Step 4: Simplify right side
    165,742.20x = 24,484,181,123.09
  5. Step 5: Solve for x
    x = 24,484,181,123.09/165,742.20
  6. Step 6: Final answer
    x = 147,724.48

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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.