Home / 221,159.21-331,736.06-155,975.18

Finding the Fourth Proportional to 221,159.21, 331,736.06 and 155,975.18

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Solution

The fourth proportional to 221,159.21, 331,736.06 and 155,975.18 is: 233,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,159.21 : 331,736.06 = 155,975.18 : x
  2. Step 2: Convert to fraction form
    221,159.21/331,736.06 = 155,975.18/x
  3. Step 3: Cross multiply
    221,159.21x = 331,736.06 × 155,975.18
  4. Step 4: Simplify right side
    221,159.21x = 51,742,590,402.25
  5. Step 5: Solve for x
    x = 51,742,590,402.25/221,159.21
  6. Step 6: Final answer
    x = 233,960.83

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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.