Home / 204,024.30-306,036.45-70,860.30

Finding the Fourth Proportional to 204,024.30, 306,036.45 and 70,860.30

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Solution

The fourth proportional to 204,024.30, 306,036.45 and 70,860.30 is: 106,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,024.30 : 306,036.45 = 70,860.30 : x
  2. Step 2: Convert to fraction form
    204,024.30/306,036.45 = 70,860.30/x
  3. Step 3: Cross multiply
    204,024.30x = 306,036.45 × 70,860.30
  4. Step 4: Simplify right side
    204,024.30x = 21,685,834,657.94
  5. Step 5: Solve for x
    x = 21,685,834,657.94/204,024.30
  6. Step 6: Final answer
    x = 106,290.45

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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.