Home / 189,837.50-261,981.22-104,960.04

Finding the Fourth Proportional to 189,837.50, 261,981.22 and 104,960.04

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Solution

The fourth proportional to 189,837.50, 261,981.22 and 104,960.04 is: 144,847.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,837.50 : 261,981.22 = 104,960.04 : x
  2. Step 2: Convert to fraction form
    189,837.50/261,981.22 = 104,960.04/x
  3. Step 3: Cross multiply
    189,837.50x = 261,981.22 × 104,960.04
  4. Step 4: Simplify right side
    189,837.50x = 27,497,559,330.45
  5. Step 5: Solve for x
    x = 27,497,559,330.45/189,837.50
  6. Step 6: Final answer
    x = 144,847.88

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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.