Home / 75,191.12-112,785.62-19,030.82

Finding the Fourth Proportional to 75,191.12, 112,785.62 and 19,030.82

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Solution

The fourth proportional to 75,191.12, 112,785.62 and 19,030.82 is: 28,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,191.12 : 112,785.62 = 19,030.82 : x
  2. Step 2: Convert to fraction form
    75,191.12/112,785.62 = 19,030.82/x
  3. Step 3: Cross multiply
    75,191.12x = 112,785.62 × 19,030.82
  4. Step 4: Simplify right side
    75,191.12x = 2,146,402,173.73
  5. Step 5: Solve for x
    x = 2,146,402,173.73/75,191.12
  6. Step 6: Final answer
    x = 28,545.95

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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.