Home / 109,450.76-151,027.31-63,509.18

Finding the Fourth Proportional to 109,450.76, 151,027.31 and 63,509.18

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Solution

The fourth proportional to 109,450.76, 151,027.31 and 63,509.18 is: 87,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,450.76 : 151,027.31 = 63,509.18 : x
  2. Step 2: Convert to fraction form
    109,450.76/151,027.31 = 63,509.18/x
  3. Step 3: Cross multiply
    109,450.76x = 151,027.31 × 63,509.18
  4. Step 4: Simplify right side
    109,450.76x = 9,591,619,543.02
  5. Step 5: Solve for x
    x = 9,591,619,543.02/109,450.76
  6. Step 6: Final answer
    x = 87,634.11

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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.