Home / 134,667.66-202,126.50-68,154.78

Finding the Fourth Proportional to 134,667.66, 202,126.50 and 68,154.78

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Solution

The fourth proportional to 134,667.66, 202,126.50 and 68,154.78 is: 102,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,667.66 : 202,126.50 = 68,154.78 : x
  2. Step 2: Convert to fraction form
    134,667.66/202,126.50 = 68,154.78/x
  3. Step 3: Cross multiply
    134,667.66x = 202,126.50 × 68,154.78
  4. Step 4: Simplify right side
    134,667.66x = 13,775,887,139.67
  5. Step 5: Solve for x
    x = 13,775,887,139.67/134,667.66
  6. Step 6: Final answer
    x = 102,295.44

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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.