Home / 220,378.55-304,140.83-123,580.85

Finding the Fourth Proportional to 220,378.55, 304,140.83 and 123,580.85

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Solution

The fourth proportional to 220,378.55, 304,140.83 and 123,580.85 is: 170,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,378.55 : 304,140.83 = 123,580.85 : x
  2. Step 2: Convert to fraction form
    220,378.55/304,140.83 = 123,580.85/x
  3. Step 3: Cross multiply
    220,378.55x = 304,140.83 × 123,580.85
  4. Step 4: Simplify right side
    220,378.55x = 37,585,980,152.50
  5. Step 5: Solve for x
    x = 37,585,980,152.50/220,378.55
  6. Step 6: Final answer
    x = 170,551.90

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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.