Home / 115,044.72-172,421.69-51,797.49

Finding the Fourth Proportional to 115,044.72, 172,421.69 and 51,797.49

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Solution

The fourth proportional to 115,044.72, 172,421.69 and 51,797.49 is: 77,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,044.72 : 172,421.69 = 51,797.49 : x
  2. Step 2: Convert to fraction form
    115,044.72/172,421.69 = 51,797.49/x
  3. Step 3: Cross multiply
    115,044.72x = 172,421.69 × 51,797.49
  4. Step 4: Simplify right side
    115,044.72x = 8,931,010,504.57
  5. Step 5: Solve for x
    x = 8,931,010,504.57/115,044.72
  6. Step 6: Final answer
    x = 77,630.77

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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.