Home / 102,340.02-141,239.57-57,025.38

Finding the Fourth Proportional to 102,340.02, 141,239.57 and 57,025.38

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Solution

The fourth proportional to 102,340.02, 141,239.57 and 57,025.38 is: 78,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,340.02 : 141,239.57 = 57,025.38 : x
  2. Step 2: Convert to fraction form
    102,340.02/141,239.57 = 57,025.38/x
  3. Step 3: Cross multiply
    102,340.02x = 141,239.57 × 57,025.38
  4. Step 4: Simplify right side
    102,340.02x = 8,054,239,865.16
  5. Step 5: Solve for x
    x = 8,054,239,865.16/102,340.02
  6. Step 6: Final answer
    x = 78,700.78

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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.