Home / 139,540.20-209,281.02-46,024.04

Finding the Fourth Proportional to 139,540.20, 209,281.02 and 46,024.04

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Solution

The fourth proportional to 139,540.20, 209,281.02 and 46,024.04 is: 69,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,540.20 : 209,281.02 = 46,024.04 : x
  2. Step 2: Convert to fraction form
    139,540.20/209,281.02 = 46,024.04/x
  3. Step 3: Cross multiply
    139,540.20x = 209,281.02 × 46,024.04
  4. Step 4: Simplify right side
    139,540.20x = 9,631,958,035.72
  5. Step 5: Solve for x
    x = 9,631,958,035.72/139,540.20
  6. Step 6: Final answer
    x = 69,026.40

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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.