Home / 91,452.51-126,207.18-51,165.36

Finding the Fourth Proportional to 91,452.51, 126,207.18 and 51,165.36

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Solution

The fourth proportional to 91,452.51, 126,207.18 and 51,165.36 is: 70,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,452.51 : 126,207.18 = 51,165.36 : x
  2. Step 2: Convert to fraction form
    91,452.51/126,207.18 = 51,165.36/x
  3. Step 3: Cross multiply
    91,452.51x = 126,207.18 × 51,165.36
  4. Step 4: Simplify right side
    91,452.51x = 6,457,435,799.28
  5. Step 5: Solve for x
    x = 6,457,435,799.28/91,452.51
  6. Step 6: Final answer
    x = 70,609.72

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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.