Home / 239,005.02-358,729.07-120,759.47

Finding the Fourth Proportional to 239,005.02, 358,729.07 and 120,759.47

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Solution

The fourth proportional to 239,005.02, 358,729.07 and 120,759.47 is: 181,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,005.02 : 358,729.07 = 120,759.47 : x
  2. Step 2: Convert to fraction form
    239,005.02/358,729.07 = 120,759.47/x
  3. Step 3: Cross multiply
    239,005.02x = 358,729.07 × 120,759.47
  4. Step 4: Simplify right side
    239,005.02x = 43,319,932,366.79
  5. Step 5: Solve for x
    x = 43,319,932,366.79/239,005.02
  6. Step 6: Final answer
    x = 181,251.14

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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.