Home / 134,911.56-202,377.12-51,805.56

Finding the Fourth Proportional to 134,911.56, 202,377.12 and 51,805.56

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Solution

The fourth proportional to 134,911.56, 202,377.12 and 51,805.56 is: 77,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,911.56 : 202,377.12 = 51,805.56 : x
  2. Step 2: Convert to fraction form
    134,911.56/202,377.12 = 51,805.56/x
  3. Step 3: Cross multiply
    134,911.56x = 202,377.12 × 51,805.56
  4. Step 4: Simplify right side
    134,911.56x = 10,484,260,032.79
  5. Step 5: Solve for x
    x = 10,484,260,032.79/134,911.56
  6. Step 6: Final answer
    x = 77,712.10

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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.