Home / 148,859.52-205,285.36-97,782.12

Finding the Fourth Proportional to 148,859.52, 205,285.36 and 97,782.12

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Solution

The fourth proportional to 148,859.52, 205,285.36 and 97,782.12 is: 134,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,859.52 : 205,285.36 = 97,782.12 : x
  2. Step 2: Convert to fraction form
    148,859.52/205,285.36 = 97,782.12/x
  3. Step 3: Cross multiply
    148,859.52x = 205,285.36 × 97,782.12
  4. Step 4: Simplify right side
    148,859.52x = 20,073,237,705.76
  5. Step 5: Solve for x
    x = 20,073,237,705.76/148,859.52
  6. Step 6: Final answer
    x = 134,846.85

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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.