Home / 128,773.02-193,143.12-49,833.24

Finding the Fourth Proportional to 128,773.02, 193,143.12 and 49,833.24

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Solution

The fourth proportional to 128,773.02, 193,143.12 and 49,833.24 is: 74,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,773.02 : 193,143.12 = 49,833.24 : x
  2. Step 2: Convert to fraction form
    128,773.02/193,143.12 = 49,833.24/x
  3. Step 3: Cross multiply
    128,773.02x = 193,143.12 × 49,833.24
  4. Step 4: Simplify right side
    128,773.02x = 9,624,947,453.31
  5. Step 5: Solve for x
    x = 9,624,947,453.31/128,773.02
  6. Step 6: Final answer
    x = 74,743.51

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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.