Home / 148,866.12-205,433.28-80,882.35

Finding the Fourth Proportional to 148,866.12, 205,433.28 and 80,882.35

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Solution

The fourth proportional to 148,866.12, 205,433.28 and 80,882.35 is: 111,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,866.12 : 205,433.28 = 80,882.35 : x
  2. Step 2: Convert to fraction form
    148,866.12/205,433.28 = 80,882.35/x
  3. Step 3: Cross multiply
    148,866.12x = 205,433.28 × 80,882.35
  4. Step 4: Simplify right side
    148,866.12x = 16,615,925,941.02
  5. Step 5: Solve for x
    x = 16,615,925,941.02/148,866.12
  6. Step 6: Final answer
    x = 111,616.57

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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.