Home / 172,667.22-238,281.17-100,084.13

Finding the Fourth Proportional to 172,667.22, 238,281.17 and 100,084.13

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Solution

The fourth proportional to 172,667.22, 238,281.17 and 100,084.13 is: 138,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,667.22 : 238,281.17 = 100,084.13 : x
  2. Step 2: Convert to fraction form
    172,667.22/238,281.17 = 100,084.13/x
  3. Step 3: Cross multiply
    172,667.22x = 238,281.17 × 100,084.13
  4. Step 4: Simplify right side
    172,667.22x = 23,848,163,594.83
  5. Step 5: Solve for x
    x = 23,848,163,594.83/172,667.22
  6. Step 6: Final answer
    x = 138,116.33

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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.