Home / 99,127.22-136,795.59-53,805.20

Finding the Fourth Proportional to 99,127.22, 136,795.59 and 53,805.20

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Solution

The fourth proportional to 99,127.22, 136,795.59 and 53,805.20 is: 74,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,127.22 : 136,795.59 = 53,805.20 : x
  2. Step 2: Convert to fraction form
    99,127.22/136,795.59 = 53,805.20/x
  3. Step 3: Cross multiply
    99,127.22x = 136,795.59 × 53,805.20
  4. Step 4: Simplify right side
    99,127.22x = 7,360,313,395.09
  5. Step 5: Solve for x
    x = 7,360,313,395.09/99,127.22
  6. Step 6: Final answer
    x = 74,251.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.