Home / 117,746.68-176,513.18-42,813.88

Finding the Fourth Proportional to 117,746.68, 176,513.18 and 42,813.88

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Solution

The fourth proportional to 117,746.68, 176,513.18 and 42,813.88 is: 64,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,746.68 : 176,513.18 = 42,813.88 : x
  2. Step 2: Convert to fraction form
    117,746.68/176,513.18 = 42,813.88/x
  3. Step 3: Cross multiply
    117,746.68x = 176,513.18 × 42,813.88
  4. Step 4: Simplify right side
    117,746.68x = 7,557,214,106.94
  5. Step 5: Solve for x
    x = 7,557,214,106.94/117,746.68
  6. Step 6: Final answer
    x = 64,181.97

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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.