Home / 139,382.20-209,088.50-44,590.10

Finding the Fourth Proportional to 139,382.20, 209,088.50 and 44,590.10

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Solution

The fourth proportional to 139,382.20, 209,088.50 and 44,590.10 is: 66,890.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,382.20 : 209,088.50 = 44,590.10 : x
  2. Step 2: Convert to fraction form
    139,382.20/209,088.50 = 44,590.10/x
  3. Step 3: Cross multiply
    139,382.20x = 209,088.50 × 44,590.10
  4. Step 4: Simplify right side
    139,382.20x = 9,323,277,209.95
  5. Step 5: Solve for x
    x = 9,323,277,209.95/139,382.20
  6. Step 6: Final answer
    x = 66,890.01

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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.