Home / 115,209.03-172,891.92-70,699.94

Finding the Fourth Proportional to 115,209.03, 172,891.92 and 70,699.94

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Solution

The fourth proportional to 115,209.03, 172,891.92 and 70,699.94 is: 106,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,209.03 : 172,891.92 = 70,699.94 : x
  2. Step 2: Convert to fraction form
    115,209.03/172,891.92 = 70,699.94/x
  3. Step 3: Cross multiply
    115,209.03x = 172,891.92 × 70,699.94
  4. Step 4: Simplify right side
    115,209.03x = 12,223,448,021.81
  5. Step 5: Solve for x
    x = 12,223,448,021.81/115,209.03
  6. Step 6: Final answer
    x = 106,098.00

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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.