Home / 149,340.02-223,974.68-42,720.71

Finding the Fourth Proportional to 149,340.02, 223,974.68 and 42,720.71

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Solution

The fourth proportional to 149,340.02, 223,974.68 and 42,720.71 is: 64,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,340.02 : 223,974.68 = 42,720.71 : x
  2. Step 2: Convert to fraction form
    149,340.02/223,974.68 = 42,720.71/x
  3. Step 3: Cross multiply
    149,340.02x = 223,974.68 × 42,720.71
  4. Step 4: Simplify right side
    149,340.02x = 9,568,356,018.15
  5. Step 5: Solve for x
    x = 9,568,356,018.15/149,340.02
  6. Step 6: Final answer
    x = 64,070.95

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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.