Home / 189,131.94-261,002.08-104,250.82

Finding the Fourth Proportional to 189,131.94, 261,002.08 and 104,250.82

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Solution

The fourth proportional to 189,131.94, 261,002.08 and 104,250.82 is: 143,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,131.94 : 261,002.08 = 104,250.82 : x
  2. Step 2: Convert to fraction form
    189,131.94/261,002.08 = 104,250.82/x
  3. Step 3: Cross multiply
    189,131.94x = 261,002.08 × 104,250.82
  4. Step 4: Simplify right side
    189,131.94x = 27,209,680,861.71
  5. Step 5: Solve for x
    x = 27,209,680,861.71/189,131.94
  6. Step 6: Final answer
    x = 143,866.13

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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.