Home / 126,434.22-174,484.23-72,719.17

Finding the Fourth Proportional to 126,434.22, 174,484.23 and 72,719.17

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Solution

The fourth proportional to 126,434.22, 174,484.23 and 72,719.17 is: 100,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,434.22 : 174,484.23 = 72,719.17 : x
  2. Step 2: Convert to fraction form
    126,434.22/174,484.23 = 72,719.17/x
  3. Step 3: Cross multiply
    126,434.22x = 174,484.23 × 72,719.17
  4. Step 4: Simplify right side
    126,434.22x = 12,688,348,383.69
  5. Step 5: Solve for x
    x = 12,688,348,383.69/126,434.22
  6. Step 6: Final answer
    x = 100,355.33

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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.