Home / 91,496.80-126,236.81-51,204.16

Finding the Fourth Proportional to 91,496.80, 126,236.81 and 51,204.16

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Solution

The fourth proportional to 91,496.80, 126,236.81 and 51,204.16 is: 70,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,496.80 : 126,236.81 = 51,204.16 : x
  2. Step 2: Convert to fraction form
    91,496.80/126,236.81 = 51,204.16/x
  3. Step 3: Cross multiply
    91,496.80x = 126,236.81 × 51,204.16
  4. Step 4: Simplify right side
    91,496.80x = 6,463,849,876.70
  5. Step 5: Solve for x
    x = 6,463,849,876.70/91,496.80
  6. Step 6: Final answer
    x = 70,645.64

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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.