Home / 102,849.46-141,945.40-57,529.96

Finding the Fourth Proportional to 102,849.46, 141,945.40 and 57,529.96

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Solution

The fourth proportional to 102,849.46, 141,945.40 and 57,529.96 is: 79,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,849.46 : 141,945.40 = 57,529.96 : x
  2. Step 2: Convert to fraction form
    102,849.46/141,945.40 = 57,529.96/x
  3. Step 3: Cross multiply
    102,849.46x = 141,945.40 × 57,529.96
  4. Step 4: Simplify right side
    102,849.46x = 8,166,113,184.18
  5. Step 5: Solve for x
    x = 8,166,113,184.18/102,849.46
  6. Step 6: Final answer
    x = 79,398.70

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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.