Home / 102,847.02-141,929.22-57,525.78

Finding the Fourth Proportional to 102,847.02, 141,929.22 and 57,525.78

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Solution

The fourth proportional to 102,847.02, 141,929.22 and 57,525.78 is: 79,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,847.02 : 141,929.22 = 57,525.78 : x
  2. Step 2: Convert to fraction form
    102,847.02/141,929.22 = 57,525.78/x
  3. Step 3: Cross multiply
    102,847.02x = 141,929.22 × 57,525.78
  4. Step 4: Simplify right side
    102,847.02x = 8,164,589,085.29
  5. Step 5: Solve for x
    x = 8,164,589,085.29/102,847.02
  6. Step 6: Final answer
    x = 79,385.76

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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.