Home / 95,510.36-143,247.02-90,768.83

Finding the Fourth Proportional to 95,510.36, 143,247.02 and 90,768.83

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Solution

The fourth proportional to 95,510.36, 143,247.02 and 90,768.83 is: 136,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,510.36 : 143,247.02 = 90,768.83 : x
  2. Step 2: Convert to fraction form
    95,510.36/143,247.02 = 90,768.83/x
  3. Step 3: Cross multiply
    95,510.36x = 143,247.02 × 90,768.83
  4. Step 4: Simplify right side
    95,510.36x = 13,002,363,236.31
  5. Step 5: Solve for x
    x = 13,002,363,236.31/95,510.36
  6. Step 6: Final answer
    x = 136,135.63

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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.