Home / 91,457.24-126,215.88-51,168.58

Finding the Fourth Proportional to 91,457.24, 126,215.88 and 51,168.58

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Solution

The fourth proportional to 91,457.24, 126,215.88 and 51,168.58 is: 70,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,457.24 : 126,215.88 = 51,168.58 : x
  2. Step 2: Convert to fraction form
    91,457.24/126,215.88 = 51,168.58/x
  3. Step 3: Cross multiply
    91,457.24x = 126,215.88 × 51,168.58
  4. Step 4: Simplify right side
    91,457.24x = 6,458,287,353.05
  5. Step 5: Solve for x
    x = 6,458,287,353.05/91,457.24
  6. Step 6: Final answer
    x = 70,615.38

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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.