Home / 126,593.36-189,868.40-42,341.84

Finding the Fourth Proportional to 126,593.36, 189,868.40 and 42,341.84

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Solution

The fourth proportional to 126,593.36, 189,868.40 and 42,341.84 is: 63,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,593.36 : 189,868.40 = 42,341.84 : x
  2. Step 2: Convert to fraction form
    126,593.36/189,868.40 = 42,341.84/x
  3. Step 3: Cross multiply
    126,593.36x = 189,868.40 × 42,341.84
  4. Step 4: Simplify right side
    126,593.36x = 8,039,377,413.86
  5. Step 5: Solve for x
    x = 8,039,377,413.86/126,593.36
  6. Step 6: Final answer
    x = 63,505.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.