Home / 112,360.30-168,540.45-67,964.20

Finding the Fourth Proportional to 112,360.30, 168,540.45 and 67,964.20

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Solution

The fourth proportional to 112,360.30, 168,540.45 and 67,964.20 is: 101,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,360.30 : 168,540.45 = 67,964.20 : x
  2. Step 2: Convert to fraction form
    112,360.30/168,540.45 = 67,964.20/x
  3. Step 3: Cross multiply
    112,360.30x = 168,540.45 × 67,964.20
  4. Step 4: Simplify right side
    112,360.30x = 11,454,716,851.89
  5. Step 5: Solve for x
    x = 11,454,716,851.89/112,360.30
  6. Step 6: Final answer
    x = 101,946.30

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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.