Home / 102,741.10-141,782.24-57,419.04

Finding the Fourth Proportional to 102,741.10, 141,782.24 and 57,419.04

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Solution

The fourth proportional to 102,741.10, 141,782.24 and 57,419.04 is: 79,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,741.10 : 141,782.24 = 57,419.04 : x
  2. Step 2: Convert to fraction form
    102,741.10/141,782.24 = 57,419.04/x
  3. Step 3: Cross multiply
    102,741.10x = 141,782.24 × 57,419.04
  4. Step 4: Simplify right side
    102,741.10x = 8,140,999,291.07
  5. Step 5: Solve for x
    x = 8,140,999,291.07/102,741.10
  6. Step 6: Final answer
    x = 79,238.00

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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.