Home / 126,206.45-174,162.12-69,617.82

Finding the Fourth Proportional to 126,206.45, 174,162.12 and 69,617.82

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Solution

The fourth proportional to 126,206.45, 174,162.12 and 69,617.82 is: 96,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,206.45 : 174,162.12 = 69,617.82 : x
  2. Step 2: Convert to fraction form
    126,206.45/174,162.12 = 69,617.82/x
  3. Step 3: Cross multiply
    126,206.45x = 174,162.12 × 69,617.82
  4. Step 4: Simplify right side
    126,206.45x = 12,124,787,513.02
  5. Step 5: Solve for x
    x = 12,124,787,513.02/126,206.45
  6. Step 6: Final answer
    x = 96,071.06

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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.