Home / 112,080.36-168,028.92-52,146.15

Finding the Fourth Proportional to 112,080.36, 168,028.92 and 52,146.15

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Solution

The fourth proportional to 112,080.36, 168,028.92 and 52,146.15 is: 78,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,080.36 : 168,028.92 = 52,146.15 : x
  2. Step 2: Convert to fraction form
    112,080.36/168,028.92 = 52,146.15/x
  3. Step 3: Cross multiply
    112,080.36x = 168,028.92 × 52,146.15
  4. Step 4: Simplify right side
    112,080.36x = 8,762,061,266.66
  5. Step 5: Solve for x
    x = 8,762,061,266.66/112,080.36
  6. Step 6: Final answer
    x = 78,176.60

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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.