Home / 134,815.90-202,223.85-68,460.70

Finding the Fourth Proportional to 134,815.90, 202,223.85 and 68,460.70

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Solution

The fourth proportional to 134,815.90, 202,223.85 and 68,460.70 is: 102,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,815.90 : 202,223.85 = 68,460.70 : x
  2. Step 2: Convert to fraction form
    134,815.90/202,223.85 = 68,460.70/x
  3. Step 3: Cross multiply
    134,815.90x = 202,223.85 × 68,460.70
  4. Step 4: Simplify right side
    134,815.90x = 13,844,386,327.70
  5. Step 5: Solve for x
    x = 13,844,386,327.70/134,815.90
  6. Step 6: Final answer
    x = 102,691.05

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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.