Home / 102,228.50-141,063.03-56,895.14

Finding the Fourth Proportional to 102,228.50, 141,063.03 and 56,895.14

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Solution

The fourth proportional to 102,228.50, 141,063.03 and 56,895.14 is: 78,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,228.50 : 141,063.03 = 56,895.14 : x
  2. Step 2: Convert to fraction form
    102,228.50/141,063.03 = 56,895.14/x
  3. Step 3: Cross multiply
    102,228.50x = 141,063.03 × 56,895.14
  4. Step 4: Simplify right side
    102,228.50x = 8,025,800,840.67
  5. Step 5: Solve for x
    x = 8,025,800,840.67/102,228.50
  6. Step 6: Final answer
    x = 78,508.45

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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.