Home / 112,401.30-168,601.95-68,005.20

Finding the Fourth Proportional to 112,401.30, 168,601.95 and 68,005.20

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Solution

The fourth proportional to 112,401.30, 168,601.95 and 68,005.20 is: 102,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,401.30 : 168,601.95 = 68,005.20 : x
  2. Step 2: Convert to fraction form
    112,401.30/168,601.95 = 68,005.20/x
  3. Step 3: Cross multiply
    112,401.30x = 168,601.95 × 68,005.20
  4. Step 4: Simplify right side
    112,401.30x = 11,465,809,330.14
  5. Step 5: Solve for x
    x = 11,465,809,330.14/112,401.30
  6. Step 6: Final answer
    x = 102,007.80

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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.