Home / 148,766.20-205,228.54-88,302.40

Finding the Fourth Proportional to 148,766.20, 205,228.54 and 88,302.40

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Solution

The fourth proportional to 148,766.20, 205,228.54 and 88,302.40 is: 121,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,766.20 : 205,228.54 = 88,302.40 : x
  2. Step 2: Convert to fraction form
    148,766.20/205,228.54 = 88,302.40/x
  3. Step 3: Cross multiply
    148,766.20x = 205,228.54 × 88,302.40
  4. Step 4: Simplify right side
    148,766.20x = 18,122,172,630.50
  5. Step 5: Solve for x
    x = 18,122,172,630.50/148,766.20
  6. Step 6: Final answer
    x = 121,816.47

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1.5x scale

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.