Home / 115,223.31-172,834.97-36,345.51

Finding the Fourth Proportional to 115,223.31, 172,834.97 and 36,345.51

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Solution

The fourth proportional to 115,223.31, 172,834.97 and 36,345.51 is: 54,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,223.31 : 172,834.97 = 36,345.51 : x
  2. Step 2: Convert to fraction form
    115,223.31/172,834.97 = 36,345.51/x
  3. Step 3: Cross multiply
    115,223.31x = 172,834.97 × 36,345.51
  4. Step 4: Simplify right side
    115,223.31x = 6,281,774,948.76
  5. Step 5: Solve for x
    x = 6,281,774,948.76/115,223.31
  6. Step 6: Final answer
    x = 54,518.27

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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.