Home / 123,421.70-185,138.90-34,682.13

Finding the Fourth Proportional to 123,421.70, 185,138.90 and 34,682.13

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Solution

The fourth proportional to 123,421.70, 185,138.90 and 34,682.13 is: 52,024.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,421.70 : 185,138.90 = 34,682.13 : x
  2. Step 2: Convert to fraction form
    123,421.70/185,138.90 = 34,682.13/x
  3. Step 3: Cross multiply
    123,421.70x = 185,138.90 × 34,682.13
  4. Step 4: Simplify right side
    123,421.70x = 6,421,010,833.80
  5. Step 5: Solve for x
    x = 6,421,010,833.80/123,421.70
  6. Step 6: Final answer
    x = 52,024.97

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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.