Home / 189,130.50-261,000.09-104,249.39

Finding the Fourth Proportional to 189,130.50, 261,000.09 and 104,249.39

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Solution

The fourth proportional to 189,130.50, 261,000.09 and 104,249.39 is: 143,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,130.50 : 261,000.09 = 104,249.39 : x
  2. Step 2: Convert to fraction form
    189,130.50/261,000.09 = 104,249.39/x
  3. Step 3: Cross multiply
    189,130.50x = 261,000.09 × 104,249.39
  4. Step 4: Simplify right side
    189,130.50x = 27,209,098,867.44
  5. Step 5: Solve for x
    x = 27,209,098,867.44/189,130.50
  6. Step 6: Final answer
    x = 143,864.15

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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.