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Finding the Fourth Proportional to 188,017.52, 259,447.80 and 107,429.04

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Solution

The fourth proportional to 188,017.52, 259,447.80 and 107,429.04 is: 148,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,017.52 : 259,447.80 = 107,429.04 : x
  2. Step 2: Convert to fraction form
    188,017.52/259,447.80 = 107,429.04/x
  3. Step 3: Cross multiply
    188,017.52x = 259,447.80 × 107,429.04
  4. Step 4: Simplify right side
    188,017.52x = 27,872,228,084.11
  5. Step 5: Solve for x
    x = 27,872,228,084.11/188,017.52
  6. Step 6: Final answer
    x = 148,242.72

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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.