Home / 94,932.90-142,139.94-68,305.50

Finding the Fourth Proportional to 94,932.90, 142,139.94 and 68,305.50

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Solution

The fourth proportional to 94,932.90, 142,139.94 and 68,305.50 is: 102,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,932.90 : 142,139.94 = 68,305.50 : x
  2. Step 2: Convert to fraction form
    94,932.90/142,139.94 = 68,305.50/x
  3. Step 3: Cross multiply
    94,932.90x = 142,139.94 × 68,305.50
  4. Step 4: Simplify right side
    94,932.90x = 9,708,939,671.67
  5. Step 5: Solve for x
    x = 9,708,939,671.67/94,932.90
  6. Step 6: Final answer
    x = 102,271.60

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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.