Home / 126,622.20-174,808.62-84,243

Finding the Fourth Proportional to 126,622.20, 174,808.62 and 84,243

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Solution

The fourth proportional to 126,622.20, 174,808.62 and 84,243 is: 116,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,622.20 : 174,808.62 = 84,243 : x
  2. Step 2: Convert to fraction form
    126,622.20/174,808.62 = 84,243/x
  3. Step 3: Cross multiply
    126,622.20x = 174,808.62 × 84,243
  4. Step 4: Simplify right side
    126,622.20x = 14,726,402,574.66
  5. Step 5: Solve for x
    x = 14,726,402,574.66/126,622.20
  6. Step 6: Final answer
    x = 116,301.90

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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.