Home / 134,759.10-202,138.65-123,872.70

Finding the Fourth Proportional to 134,759.10, 202,138.65 and 123,872.70

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Solution

The fourth proportional to 134,759.10, 202,138.65 and 123,872.70 is: 185,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,759.10 : 202,138.65 = 123,872.70 : x
  2. Step 2: Convert to fraction form
    134,759.10/202,138.65 = 123,872.70/x
  3. Step 3: Cross multiply
    134,759.10x = 202,138.65 × 123,872.70
  4. Step 4: Simplify right side
    134,759.10x = 25,039,460,349.86
  5. Step 5: Solve for x
    x = 25,039,460,349.86/134,759.10
  6. Step 6: Final answer
    x = 185,809.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.