Home / 146,678.40-220,276.80-113,479.20

Finding the Fourth Proportional to 146,678.40, 220,276.80 and 113,479.20

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Solution

The fourth proportional to 146,678.40, 220,276.80 and 113,479.20 is: 170,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,678.40 : 220,276.80 = 113,479.20 : x
  2. Step 2: Convert to fraction form
    146,678.40/220,276.80 = 113,479.20/x
  3. Step 3: Cross multiply
    146,678.40x = 220,276.80 × 113,479.20
  4. Step 4: Simplify right side
    146,678.40x = 24,996,835,042.56
  5. Step 5: Solve for x
    x = 24,996,835,042.56/146,678.40
  6. Step 6: Final answer
    x = 170,419.33

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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.