Home / 90,908.28-136,316.79-52,969.82

Finding the Fourth Proportional to 90,908.28, 136,316.79 and 52,969.82

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Solution

The fourth proportional to 90,908.28, 136,316.79 and 52,969.82 is: 79,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,908.28 : 136,316.79 = 52,969.82 : x
  2. Step 2: Convert to fraction form
    90,908.28/136,316.79 = 52,969.82/x
  3. Step 3: Cross multiply
    90,908.28x = 136,316.79 × 52,969.82
  4. Step 4: Simplify right side
    90,908.28x = 7,220,675,147.69
  5. Step 5: Solve for x
    x = 7,220,675,147.69/90,908.28
  6. Step 6: Final answer
    x = 79,428.14

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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.