Home / 91,939.27-126,888.99-51,656.16

Finding the Fourth Proportional to 91,939.27, 126,888.99 and 51,656.16

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Solution

The fourth proportional to 91,939.27, 126,888.99 and 51,656.16 is: 71,292.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,939.27 : 126,888.99 = 51,656.16 : x
  2. Step 2: Convert to fraction form
    91,939.27/126,888.99 = 51,656.16/x
  3. Step 3: Cross multiply
    91,939.27x = 126,888.99 × 51,656.16
  4. Step 4: Simplify right side
    91,939.27x = 6,554,597,969.68
  5. Step 5: Solve for x
    x = 6,554,597,969.68/91,939.27
  6. Step 6: Final answer
    x = 71,292.69

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1.5x scale

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.