Home / 148,290.66-204,641.20-80,308.16

Finding the Fourth Proportional to 148,290.66, 204,641.20 and 80,308.16

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Solution

The fourth proportional to 148,290.66, 204,641.20 and 80,308.16 is: 110,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,290.66 : 204,641.20 = 80,308.16 : x
  2. Step 2: Convert to fraction form
    148,290.66/204,641.20 = 80,308.16/x
  3. Step 3: Cross multiply
    148,290.66x = 204,641.20 × 80,308.16
  4. Step 4: Simplify right side
    148,290.66x = 16,434,358,232.19
  5. Step 5: Solve for x
    x = 16,434,358,232.19/148,290.66
  6. Step 6: Final answer
    x = 110,825.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.