Home / 131,135.92-196,603.08-67,888.24

Finding the Fourth Proportional to 131,135.92, 196,603.08 and 67,888.24

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Solution

The fourth proportional to 131,135.92, 196,603.08 and 67,888.24 is: 101,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,135.92 : 196,603.08 = 67,888.24 : x
  2. Step 2: Convert to fraction form
    131,135.92/196,603.08 = 67,888.24/x
  3. Step 3: Cross multiply
    131,135.92x = 196,603.08 × 67,888.24
  4. Step 4: Simplify right side
    131,135.92x = 13,347,037,079.78
  5. Step 5: Solve for x
    x = 13,347,037,079.78/131,135.92
  6. Step 6: Final answer
    x = 101,780.18

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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.