Home / 112,187.29-168,312.83-45,675.16

Finding the Fourth Proportional to 112,187.29, 168,312.83 and 45,675.16

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Solution

The fourth proportional to 112,187.29, 168,312.83 and 45,675.16 is: 68,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,187.29 : 168,312.83 = 45,675.16 : x
  2. Step 2: Convert to fraction form
    112,187.29/168,312.83 = 45,675.16/x
  3. Step 3: Cross multiply
    112,187.29x = 168,312.83 × 45,675.16
  4. Step 4: Simplify right side
    112,187.29x = 7,687,715,440.30
  5. Step 5: Solve for x
    x = 7,687,715,440.30/112,187.29
  6. Step 6: Final answer
    x = 68,525.73

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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.