Home / 109,890.06-151,600.32-64,487.94

Finding the Fourth Proportional to 109,890.06, 151,600.32 and 64,487.94

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Solution

The fourth proportional to 109,890.06, 151,600.32 and 64,487.94 is: 88,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,890.06 : 151,600.32 = 64,487.94 : x
  2. Step 2: Convert to fraction form
    109,890.06/151,600.32 = 64,487.94/x
  3. Step 3: Cross multiply
    109,890.06x = 151,600.32 × 64,487.94
  4. Step 4: Simplify right side
    109,890.06x = 9,776,392,340.14
  5. Step 5: Solve for x
    x = 9,776,392,340.14/109,890.06
  6. Step 6: Final answer
    x = 88,965.21

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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.