Home / 148,191.46-204,503.64-80,209.59

Finding the Fourth Proportional to 148,191.46, 204,503.64 and 80,209.59

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Solution

The fourth proportional to 148,191.46, 204,503.64 and 80,209.59 is: 110,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,191.46 : 204,503.64 = 80,209.59 : x
  2. Step 2: Convert to fraction form
    148,191.46/204,503.64 = 80,209.59/x
  3. Step 3: Cross multiply
    148,191.46x = 204,503.64 × 80,209.59
  4. Step 4: Simplify right side
    148,191.46x = 16,403,153,200.57
  5. Step 5: Solve for x
    x = 16,403,153,200.57/148,191.46
  6. Step 6: Final answer
    x = 110,688.92

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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.