Home / 148,822.02-205,375.92-80,840.31

Finding the Fourth Proportional to 148,822.02, 205,375.92 and 80,840.31

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Solution

The fourth proportional to 148,822.02, 205,375.92 and 80,840.31 is: 111,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,822.02 : 205,375.92 = 80,840.31 : x
  2. Step 2: Convert to fraction form
    148,822.02/205,375.92 = 80,840.31/x
  3. Step 3: Cross multiply
    148,822.02x = 205,375.92 × 80,840.31
  4. Step 4: Simplify right side
    148,822.02x = 16,602,653,039.34
  5. Step 5: Solve for x
    x = 16,602,653,039.34/148,822.02
  6. Step 6: Final answer
    x = 111,560.46

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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.