Home / 91,451.23-126,207.60-51,162.59

Finding the Fourth Proportional to 91,451.23, 126,207.60 and 51,162.59

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Solution

The fourth proportional to 91,451.23, 126,207.60 and 51,162.59 is: 70,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,451.23 : 126,207.60 = 51,162.59 : x
  2. Step 2: Convert to fraction form
    91,451.23/126,207.60 = 51,162.59/x
  3. Step 3: Cross multiply
    91,451.23x = 126,207.60 × 51,162.59
  4. Step 4: Simplify right side
    91,451.23x = 6,457,107,535.92
  5. Step 5: Solve for x
    x = 6,457,107,535.92/91,451.23
  6. Step 6: Final answer
    x = 70,607.11

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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.