Home / 126,345.84-174,149.55-89,564.37

Finding the Fourth Proportional to 126,345.84, 174,149.55 and 89,564.37

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Solution

The fourth proportional to 126,345.84, 174,149.55 and 89,564.37 is: 123,451.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,345.84 : 174,149.55 = 89,564.37 : x
  2. Step 2: Convert to fraction form
    126,345.84/174,149.55 = 89,564.37/x
  3. Step 3: Cross multiply
    126,345.84x = 174,149.55 × 89,564.37
  4. Step 4: Simplify right side
    126,345.84x = 15,597,594,731.53
  5. Step 5: Solve for x
    x = 15,597,594,731.53/126,345.84
  6. Step 6: Final answer
    x = 123,451.59

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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.