Home / 148,848.66-205,410.32-80,865.08

Finding the Fourth Proportional to 148,848.66, 205,410.32 and 80,865.08

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Solution

The fourth proportional to 148,848.66, 205,410.32 and 80,865.08 is: 111,593.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,848.66 : 205,410.32 = 80,865.08 : x
  2. Step 2: Convert to fraction form
    148,848.66/205,410.32 = 80,865.08/x
  3. Step 3: Cross multiply
    148,848.66x = 205,410.32 × 80,865.08
  4. Step 4: Simplify right side
    148,848.66x = 16,610,521,959.63
  5. Step 5: Solve for x
    x = 16,610,521,959.63/148,848.66
  6. Step 6: Final answer
    x = 111,593.36

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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.