Home / 91,453.14-126,207.45-51,165.18

Finding the Fourth Proportional to 91,453.14, 126,207.45 and 51,165.18

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Solution

The fourth proportional to 91,453.14, 126,207.45 and 51,165.18 is: 70,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,453.14 : 126,207.45 = 51,165.18 : x
  2. Step 2: Convert to fraction form
    91,453.14/126,207.45 = 51,165.18/x
  3. Step 3: Cross multiply
    91,453.14x = 126,207.45 × 51,165.18
  4. Step 4: Simplify right side
    91,453.14x = 6,457,426,896.59
  5. Step 5: Solve for x
    x = 6,457,426,896.59/91,453.14
  6. Step 6: Final answer
    x = 70,609.13

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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.