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Finding the Fourth Proportional to 188,767.08, 260,500.41 and 103,886.10

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Solution

The fourth proportional to 188,767.08, 260,500.41 and 103,886.10 is: 143,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,767.08 : 260,500.41 = 103,886.10 : x
  2. Step 2: Convert to fraction form
    188,767.08/260,500.41 = 103,886.10/x
  3. Step 3: Cross multiply
    188,767.08x = 260,500.41 × 103,886.10
  4. Step 4: Simplify right side
    188,767.08x = 27,062,371,643.30
  5. Step 5: Solve for x
    x = 27,062,371,643.30/188,767.08
  6. Step 6: Final answer
    x = 143,363.83

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1.5x scale

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.