Home / 91,476.16-126,218.97-51,182.10

Finding the Fourth Proportional to 91,476.16, 126,218.97 and 51,182.10

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Solution

The fourth proportional to 91,476.16, 126,218.97 and 51,182.10 is: 70,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,476.16 : 126,218.97 = 51,182.10 : x
  2. Step 2: Convert to fraction form
    91,476.16/126,218.97 = 51,182.10/x
  3. Step 3: Cross multiply
    91,476.16x = 126,218.97 × 51,182.10
  4. Step 4: Simplify right side
    91,476.16x = 6,460,151,944.44
  5. Step 5: Solve for x
    x = 6,460,151,944.44/91,476.16
  6. Step 6: Final answer
    x = 70,621.15

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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.