Home / 148,657.17-205,147.05-80,674.14

Finding the Fourth Proportional to 148,657.17, 205,147.05 and 80,674.14

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Solution

The fourth proportional to 148,657.17, 205,147.05 and 80,674.14 is: 111,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,657.17 : 205,147.05 = 80,674.14 : x
  2. Step 2: Convert to fraction form
    148,657.17/205,147.05 = 80,674.14/x
  3. Step 3: Cross multiply
    148,657.17x = 205,147.05 × 80,674.14
  4. Step 4: Simplify right side
    148,657.17x = 16,550,062,299.06
  5. Step 5: Solve for x
    x = 16,550,062,299.06/148,657.17
  6. Step 6: Final answer
    x = 111,330.40

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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.