Home / 109,530.20-151,141.44-63,577.65

Finding the Fourth Proportional to 109,530.20, 151,141.44 and 63,577.65

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Solution

The fourth proportional to 109,530.20, 151,141.44 and 63,577.65 is: 87,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,530.20 : 151,141.44 = 63,577.65 : x
  2. Step 2: Convert to fraction form
    109,530.20/151,141.44 = 63,577.65/x
  3. Step 3: Cross multiply
    109,530.20x = 151,141.44 × 63,577.65
  4. Step 4: Simplify right side
    109,530.20x = 9,609,217,643.70
  5. Step 5: Solve for x
    x = 9,609,217,643.70/109,530.20
  6. Step 6: Final answer
    x = 87,731.22

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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.