Home / 221,444.32-331,667.08-102,866.13

Finding the Fourth Proportional to 221,444.32, 331,667.08 and 102,866.13

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Solution

The fourth proportional to 221,444.32, 331,667.08 and 102,866.13 is: 154,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,444.32 : 331,667.08 = 102,866.13 : x
  2. Step 2: Convert to fraction form
    221,444.32/331,667.08 = 102,866.13/x
  3. Step 3: Cross multiply
    221,444.32x = 331,667.08 × 102,866.13
  4. Step 4: Simplify right side
    221,444.32x = 34,117,308,968.00
  5. Step 5: Solve for x
    x = 34,117,308,968.00/221,444.32
  6. Step 6: Final answer
    x = 154,067.21

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1.5x scale

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.