Home / 102,363.30-141,257.70-57,038.94

Finding the Fourth Proportional to 102,363.30, 141,257.70 and 57,038.94

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Solution

The fourth proportional to 102,363.30, 141,257.70 and 57,038.94 is: 78,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,363.30 : 141,257.70 = 57,038.94 : x
  2. Step 2: Convert to fraction form
    102,363.30/141,257.70 = 57,038.94/x
  3. Step 3: Cross multiply
    102,363.30x = 141,257.70 × 57,038.94
  4. Step 4: Simplify right side
    102,363.30x = 8,057,189,474.84
  5. Step 5: Solve for x
    x = 8,057,189,474.84/102,363.30
  6. Step 6: Final answer
    x = 78,711.70

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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.