Home / 120,025.96-180,034.30-30,068.52

Finding the Fourth Proportional to 120,025.96, 180,034.30 and 30,068.52

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Solution

The fourth proportional to 120,025.96, 180,034.30 and 30,068.52 is: 45,101.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,025.96 : 180,034.30 = 30,068.52 : x
  2. Step 2: Convert to fraction form
    120,025.96/180,034.30 = 30,068.52/x
  3. Step 3: Cross multiply
    120,025.96x = 180,034.30 × 30,068.52
  4. Step 4: Simplify right side
    120,025.96x = 5,413,364,950.24
  5. Step 5: Solve for x
    x = 5,413,364,950.24/120,025.96
  6. Step 6: Final answer
    x = 45,101.62

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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.