Home / 203,024.37-280,174.17-112,386.60

Finding the Fourth Proportional to 203,024.37, 280,174.17 and 112,386.60

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Solution

The fourth proportional to 203,024.37, 280,174.17 and 112,386.60 is: 155,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,024.37 : 280,174.17 = 112,386.60 : x
  2. Step 2: Convert to fraction form
    203,024.37/280,174.17 = 112,386.60/x
  3. Step 3: Cross multiply
    203,024.37x = 280,174.17 × 112,386.60
  4. Step 4: Simplify right side
    203,024.37x = 31,487,822,374.12
  5. Step 5: Solve for x
    x = 31,487,822,374.12/203,024.37
  6. Step 6: Final answer
    x = 155,093.81

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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.