Home / 91,453.23-126,210.36-51,164.58

Finding the Fourth Proportional to 91,453.23, 126,210.36 and 51,164.58

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Solution

The fourth proportional to 91,453.23, 126,210.36 and 51,164.58 is: 70,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,453.23 : 126,210.36 = 51,164.58 : x
  2. Step 2: Convert to fraction form
    91,453.23/126,210.36 = 51,164.58/x
  3. Step 3: Cross multiply
    91,453.23x = 126,210.36 × 51,164.58
  4. Step 4: Simplify right side
    91,453.23x = 6,457,500,061.05
  5. Step 5: Solve for x
    x = 6,457,500,061.05/91,453.23
  6. Step 6: Final answer
    x = 70,609.86

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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.