Home / 145,788.46-201,187.20-82,146.76

Finding the Fourth Proportional to 145,788.46, 201,187.20 and 82,146.76

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Solution

The fourth proportional to 145,788.46, 201,187.20 and 82,146.76 is: 113,362.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,788.46 : 201,187.20 = 82,146.76 : x
  2. Step 2: Convert to fraction form
    145,788.46/201,187.20 = 82,146.76/x
  3. Step 3: Cross multiply
    145,788.46x = 201,187.20 × 82,146.76
  4. Step 4: Simplify right side
    145,788.46x = 16,526,876,633.47
  5. Step 5: Solve for x
    x = 16,526,876,633.47/145,788.46
  6. Step 6: Final answer
    x = 113,362.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.