Home / 149,338.91-223,972.99-42,719.58

Finding the Fourth Proportional to 149,338.91, 223,972.99 and 42,719.58

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Solution

The fourth proportional to 149,338.91, 223,972.99 and 42,719.58 is: 64,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,338.91 : 223,972.99 = 42,719.58 : x
  2. Step 2: Convert to fraction form
    149,338.91/223,972.99 = 42,719.58/x
  3. Step 3: Cross multiply
    149,338.91x = 223,972.99 × 42,719.58
  4. Step 4: Simplify right side
    149,338.91x = 9,568,031,957.35
  5. Step 5: Solve for x
    x = 9,568,031,957.35/149,338.91
  6. Step 6: Final answer
    x = 64,069.25

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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.