Home / 116,146.03-160,337.84-77,891.64

Finding the Fourth Proportional to 116,146.03, 160,337.84 and 77,891.64

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Solution

The fourth proportional to 116,146.03, 160,337.84 and 77,891.64 is: 107,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,146.03 : 160,337.84 = 77,891.64 : x
  2. Step 2: Convert to fraction form
    116,146.03/160,337.84 = 77,891.64/x
  3. Step 3: Cross multiply
    116,146.03x = 160,337.84 × 77,891.64
  4. Step 4: Simplify right side
    116,146.03x = 12,488,976,922.20
  5. Step 5: Solve for x
    x = 12,488,976,922.20/116,146.03
  6. Step 6: Final answer
    x = 107,528.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.