Home / 239,155.02-330,021.45-148,509.03

Finding the Fourth Proportional to 239,155.02, 330,021.45 and 148,509.03

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Solution

The fourth proportional to 239,155.02, 330,021.45 and 148,509.03 is: 204,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,155.02 : 330,021.45 = 148,509.03 : x
  2. Step 2: Convert to fraction form
    239,155.02/330,021.45 = 148,509.03/x
  3. Step 3: Cross multiply
    239,155.02x = 330,021.45 × 148,509.03
  4. Step 4: Simplify right side
    239,155.02x = 49,011,165,418.69
  5. Step 5: Solve for x
    x = 49,011,165,418.69/239,155.02
  6. Step 6: Final answer
    x = 204,934.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.