Home / 165,075.43-227,800.56-89,623.93

Finding the Fourth Proportional to 165,075.43, 227,800.56 and 89,623.93

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Solution

The fourth proportional to 165,075.43, 227,800.56 and 89,623.93 is: 123,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,075.43 : 227,800.56 = 89,623.93 : x
  2. Step 2: Convert to fraction form
    165,075.43/227,800.56 = 89,623.93/x
  3. Step 3: Cross multiply
    165,075.43x = 227,800.56 × 89,623.93
  4. Step 4: Simplify right side
    165,075.43x = 20,416,381,443.40
  5. Step 5: Solve for x
    x = 20,416,381,443.40/165,075.43
  6. Step 6: Final answer
    x = 123,679.11

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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.