Home / 115,277.80-172,398.30-96,615.40

Finding the Fourth Proportional to 115,277.80, 172,398.30 and 96,615.40

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Solution

The fourth proportional to 115,277.80, 172,398.30 and 96,615.40 is: 144,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,277.80 : 172,398.30 = 96,615.40 : x
  2. Step 2: Convert to fraction form
    115,277.80/172,398.30 = 96,615.40/x
  3. Step 3: Cross multiply
    115,277.80x = 172,398.30 × 96,615.40
  4. Step 4: Simplify right side
    115,277.80x = 16,656,330,713.82
  5. Step 5: Solve for x
    x = 16,656,330,713.82/115,277.80
  6. Step 6: Final answer
    x = 144,488.62

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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.