Home / 91,540.64-126,326.40-51,256.16

Finding the Fourth Proportional to 91,540.64, 126,326.40 and 51,256.16

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Solution

The fourth proportional to 91,540.64, 126,326.40 and 51,256.16 is: 70,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,540.64 : 126,326.40 = 51,256.16 : x
  2. Step 2: Convert to fraction form
    91,540.64/126,326.40 = 51,256.16/x
  3. Step 3: Cross multiply
    91,540.64x = 126,326.40 × 51,256.16
  4. Step 4: Simplify right side
    91,540.64x = 6,475,006,170.62
  5. Step 5: Solve for x
    x = 6,475,006,170.62/91,540.64
  6. Step 6: Final answer
    x = 70,733.68

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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.