Home / 134,033.70-201,204.15-78,660.90

Finding the Fourth Proportional to 134,033.70, 201,204.15 and 78,660.90

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Solution

The fourth proportional to 134,033.70, 201,204.15 and 78,660.90 is: 118,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,033.70 : 201,204.15 = 78,660.90 : x
  2. Step 2: Convert to fraction form
    134,033.70/201,204.15 = 78,660.90/x
  3. Step 3: Cross multiply
    134,033.70x = 201,204.15 × 78,660.90
  4. Step 4: Simplify right side
    134,033.70x = 15,826,899,522.74
  5. Step 5: Solve for x
    x = 15,826,899,522.74/134,033.70
  6. Step 6: Final answer
    x = 118,081.49

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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.