Home / 102,682.23-141,699.89-57,360.84

Finding the Fourth Proportional to 102,682.23, 141,699.89 and 57,360.84

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Solution

The fourth proportional to 102,682.23, 141,699.89 and 57,360.84 is: 79,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,682.23 : 141,699.89 = 57,360.84 : x
  2. Step 2: Convert to fraction form
    102,682.23/141,699.89 = 57,360.84/x
  3. Step 3: Cross multiply
    102,682.23x = 141,699.89 × 57,360.84
  4. Step 4: Simplify right side
    102,682.23x = 8,128,024,431.50
  5. Step 5: Solve for x
    x = 8,128,024,431.50/102,682.23
  6. Step 6: Final answer
    x = 79,157.07

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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.