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Finding the Fourth Proportional to 119,402.92, 179,030.94 and 40,511.08

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Solution

The fourth proportional to 119,402.92, 179,030.94 and 40,511.08 is: 60,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,402.92 : 179,030.94 = 40,511.08 : x
  2. Step 2: Convert to fraction form
    119,402.92/179,030.94 = 40,511.08/x
  3. Step 3: Cross multiply
    119,402.92x = 179,030.94 × 40,511.08
  4. Step 4: Simplify right side
    119,402.92x = 7,252,736,732.82
  5. Step 5: Solve for x
    x = 7,252,736,732.82/119,402.92
  6. Step 6: Final answer
    x = 60,741.70

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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.