Home / 148,695.51-205,200.28-80,712.54

Finding the Fourth Proportional to 148,695.51, 205,200.28 and 80,712.54

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Solution

The fourth proportional to 148,695.51, 205,200.28 and 80,712.54 is: 111,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,695.51 : 205,200.28 = 80,712.54 : x
  2. Step 2: Convert to fraction form
    148,695.51/205,200.28 = 80,712.54/x
  3. Step 3: Cross multiply
    148,695.51x = 205,200.28 × 80,712.54
  4. Step 4: Simplify right side
    148,695.51x = 16,562,235,807.51
  5. Step 5: Solve for x
    x = 16,562,235,807.51/148,695.51
  6. Step 6: Final answer
    x = 111,383.56

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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.