Home / 139,572.12-209,358.78-44,816.70

Finding the Fourth Proportional to 139,572.12, 209,358.78 and 44,816.70

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Solution

The fourth proportional to 139,572.12, 209,358.78 and 44,816.70 is: 67,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,572.12 : 209,358.78 = 44,816.70 : x
  2. Step 2: Convert to fraction form
    139,572.12/209,358.78 = 44,816.70/x
  3. Step 3: Cross multiply
    139,572.12x = 209,358.78 × 44,816.70
  4. Step 4: Simplify right side
    139,572.12x = 9,382,769,635.63
  5. Step 5: Solve for x
    x = 9,382,769,635.63/139,572.12
  6. Step 6: Final answer
    x = 67,225.24

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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.