Home / 102,355.02-141,247.80-57,032.82

Finding the Fourth Proportional to 102,355.02, 141,247.80 and 57,032.82

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Solution

The fourth proportional to 102,355.02, 141,247.80 and 57,032.82 is: 78,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,355.02 : 141,247.80 = 57,032.82 : x
  2. Step 2: Convert to fraction form
    102,355.02/141,247.80 = 57,032.82/x
  3. Step 3: Cross multiply
    102,355.02x = 141,247.80 × 57,032.82
  4. Step 4: Simplify right side
    102,355.02x = 8,055,760,352.80
  5. Step 5: Solve for x
    x = 8,055,760,352.80/102,355.02
  6. Step 6: Final answer
    x = 78,704.11

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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.