Home / 119,114.70-178,634.12-39,134.10

Finding the Fourth Proportional to 119,114.70, 178,634.12 and 39,134.10

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Solution

The fourth proportional to 119,114.70, 178,634.12 and 39,134.10 is: 58,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,114.70 : 178,634.12 = 39,134.10 : x
  2. Step 2: Convert to fraction form
    119,114.70/178,634.12 = 39,134.10/x
  3. Step 3: Cross multiply
    119,114.70x = 178,634.12 × 39,134.10
  4. Step 4: Simplify right side
    119,114.70x = 6,990,685,319.82
  5. Step 5: Solve for x
    x = 6,990,685,319.82/119,114.70
  6. Step 6: Final answer
    x = 58,688.69

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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.