Home / 102,826.18-141,903.04-57,505.86

Finding the Fourth Proportional to 102,826.18, 141,903.04 and 57,505.86

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Solution

The fourth proportional to 102,826.18, 141,903.04 and 57,505.86 is: 79,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,826.18 : 141,903.04 = 57,505.86 : x
  2. Step 2: Convert to fraction form
    102,826.18/141,903.04 = 57,505.86/x
  3. Step 3: Cross multiply
    102,826.18x = 141,903.04 × 57,505.86
  4. Step 4: Simplify right side
    102,826.18x = 8,160,256,351.81
  5. Step 5: Solve for x
    x = 8,160,256,351.81/102,826.18
  6. Step 6: Final answer
    x = 79,359.72

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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.