Home / 90,340.49-135,505.53-27,159.35

Finding the Fourth Proportional to 90,340.49, 135,505.53 and 27,159.35

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Solution

The fourth proportional to 90,340.49, 135,505.53 and 27,159.35 is: 40,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,340.49 : 135,505.53 = 27,159.35 : x
  2. Step 2: Convert to fraction form
    90,340.49/135,505.53 = 27,159.35/x
  3. Step 3: Cross multiply
    90,340.49x = 135,505.53 × 27,159.35
  4. Step 4: Simplify right side
    90,340.49x = 3,680,242,277.28
  5. Step 5: Solve for x
    x = 3,680,242,277.28/90,340.49
  6. Step 6: Final answer
    x = 40,737.46

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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.