Home / 134,857.32-202,223.41-78,713.59

Finding the Fourth Proportional to 134,857.32, 202,223.41 and 78,713.59

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Solution

The fourth proportional to 134,857.32, 202,223.41 and 78,713.59 is: 118,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,857.32 : 202,223.41 = 78,713.59 : x
  2. Step 2: Convert to fraction form
    134,857.32/202,223.41 = 78,713.59/x
  3. Step 3: Cross multiply
    134,857.32x = 202,223.41 × 78,713.59
  4. Step 4: Simplify right side
    134,857.32x = 15,917,730,583.14
  5. Step 5: Solve for x
    x = 15,917,730,583.14/134,857.32
  6. Step 6: Final answer
    x = 118,033.86

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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.