Home / 126,581.36-174,675.30-69,989

Finding the Fourth Proportional to 126,581.36, 174,675.30 and 69,989

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Solution

The fourth proportional to 126,581.36, 174,675.30 and 69,989 is: 96,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,581.36 : 174,675.30 = 69,989 : x
  2. Step 2: Convert to fraction form
    126,581.36/174,675.30 = 69,989/x
  3. Step 3: Cross multiply
    126,581.36x = 174,675.30 × 69,989
  4. Step 4: Simplify right side
    126,581.36x = 12,225,349,571.70
  5. Step 5: Solve for x
    x = 12,225,349,571.70/126,581.36
  6. Step 6: Final answer
    x = 96,580.96

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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.