Home / 109,560.24-151,235.64-64,278

Finding the Fourth Proportional to 109,560.24, 151,235.64 and 64,278

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Solution

The fourth proportional to 109,560.24, 151,235.64 and 64,278 is: 88,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,560.24 : 151,235.64 = 64,278 : x
  2. Step 2: Convert to fraction form
    109,560.24/151,235.64 = 64,278/x
  3. Step 3: Cross multiply
    109,560.24x = 151,235.64 × 64,278
  4. Step 4: Simplify right side
    109,560.24x = 9,721,124,467.92
  5. Step 5: Solve for x
    x = 9,721,124,467.92/109,560.24
  6. Step 6: Final answer
    x = 88,728.58

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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.