Home / 102,254.50-141,111.21-57,543.46

Finding the Fourth Proportional to 102,254.50, 141,111.21 and 57,543.46

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Solution

The fourth proportional to 102,254.50, 141,111.21 and 57,543.46 is: 79,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,254.50 : 141,111.21 = 57,543.46 : x
  2. Step 2: Convert to fraction form
    102,254.50/141,111.21 = 57,543.46/x
  3. Step 3: Cross multiply
    102,254.50x = 141,111.21 × 57,543.46
  4. Step 4: Simplify right side
    102,254.50x = 8,120,027,268.19
  5. Step 5: Solve for x
    x = 8,120,027,268.19/102,254.50
  6. Step 6: Final answer
    x = 79,409.97

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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.