Home / 119,042.87-178,476.75-56,757.11

Finding the Fourth Proportional to 119,042.87, 178,476.75 and 56,757.11

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Solution

The fourth proportional to 119,042.87, 178,476.75 and 56,757.11 is: 85,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,042.87 : 178,476.75 = 56,757.11 : x
  2. Step 2: Convert to fraction form
    119,042.87/178,476.75 = 56,757.11/x
  3. Step 3: Cross multiply
    119,042.87x = 178,476.75 × 56,757.11
  4. Step 4: Simplify right side
    119,042.87x = 10,129,823,639.81
  5. Step 5: Solve for x
    x = 10,129,823,639.81/119,042.87
  6. Step 6: Final answer
    x = 85,093.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.