Home / 102,366.02-141,262.98-57,043.82

Finding the Fourth Proportional to 102,366.02, 141,262.98 and 57,043.82

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Solution

The fourth proportional to 102,366.02, 141,262.98 and 57,043.82 is: 78,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,366.02 : 141,262.98 = 57,043.82 : x
  2. Step 2: Convert to fraction form
    102,366.02/141,262.98 = 57,043.82/x
  3. Step 3: Cross multiply
    102,366.02x = 141,262.98 × 57,043.82
  4. Step 4: Simplify right side
    102,366.02x = 8,058,180,003.78
  5. Step 5: Solve for x
    x = 8,058,180,003.78/102,366.02
  6. Step 6: Final answer
    x = 78,719.29

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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.