Home / 205,024.60-307,536.90-125,882.20

Finding the Fourth Proportional to 205,024.60, 307,536.90 and 125,882.20

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Solution

The fourth proportional to 205,024.60, 307,536.90 and 125,882.20 is: 188,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,024.60 : 307,536.90 = 125,882.20 : x
  2. Step 2: Convert to fraction form
    205,024.60/307,536.90 = 125,882.20/x
  3. Step 3: Cross multiply
    205,024.60x = 307,536.90 × 125,882.20
  4. Step 4: Simplify right side
    205,024.60x = 38,713,421,553.18
  5. Step 5: Solve for x
    x = 38,713,421,553.18/205,024.60
  6. Step 6: Final answer
    x = 188,823.30

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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.