Home / 195,350.61-293,025.92-128,775.17

Finding the Fourth Proportional to 195,350.61, 293,025.92 and 128,775.17

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Solution

The fourth proportional to 195,350.61, 293,025.92 and 128,775.17 is: 193,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,350.61 : 293,025.92 = 128,775.17 : x
  2. Step 2: Convert to fraction form
    195,350.61/293,025.92 = 128,775.17/x
  3. Step 3: Cross multiply
    195,350.61x = 293,025.92 × 128,775.17
  4. Step 4: Simplify right side
    195,350.61x = 37,734,463,749.40
  5. Step 5: Solve for x
    x = 37,734,463,749.40/195,350.61
  6. Step 6: Final answer
    x = 193,162.76

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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.