Home / 115,044.60-172,572.30-36,161.40

Finding the Fourth Proportional to 115,044.60, 172,572.30 and 36,161.40

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Solution

The fourth proportional to 115,044.60, 172,572.30 and 36,161.40 is: 54,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,044.60 : 172,572.30 = 36,161.40 : x
  2. Step 2: Convert to fraction form
    115,044.60/172,572.30 = 36,161.40/x
  3. Step 3: Cross multiply
    115,044.60x = 172,572.30 × 36,161.40
  4. Step 4: Simplify right side
    115,044.60x = 6,240,455,969.22
  5. Step 5: Solve for x
    x = 6,240,455,969.22/115,044.60
  6. Step 6: Final answer
    x = 54,243.80

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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.