Home / 139,712.20-209,566.24-34,531.16

Finding the Fourth Proportional to 139,712.20, 209,566.24 and 34,531.16

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Solution

The fourth proportional to 139,712.20, 209,566.24 and 34,531.16 is: 51,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,712.20 : 209,566.24 = 34,531.16 : x
  2. Step 2: Convert to fraction form
    139,712.20/209,566.24 = 34,531.16/x
  3. Step 3: Cross multiply
    139,712.20x = 209,566.24 × 34,531.16
  4. Step 4: Simplify right side
    139,712.20x = 7,236,565,364.04
  5. Step 5: Solve for x
    x = 7,236,565,364.04/139,712.20
  6. Step 6: Final answer
    x = 51,796.23

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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.