Home / 126,465.35-174,603.54-81,162.86

Finding the Fourth Proportional to 126,465.35, 174,603.54 and 81,162.86

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Solution

The fourth proportional to 126,465.35, 174,603.54 and 81,162.86 is: 112,056.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,465.35 : 174,603.54 = 81,162.86 : x
  2. Step 2: Convert to fraction form
    126,465.35/174,603.54 = 81,162.86/x
  3. Step 3: Cross multiply
    126,465.35x = 174,603.54 × 81,162.86
  4. Step 4: Simplify right side
    126,465.35x = 14,171,321,799.51
  5. Step 5: Solve for x
    x = 14,171,321,799.51/126,465.35
  6. Step 6: Final answer
    x = 112,056.96

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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.