Home / 109,748.08-151,469.75-66,741.23

Finding the Fourth Proportional to 109,748.08, 151,469.75 and 66,741.23

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Solution

The fourth proportional to 109,748.08, 151,469.75 and 66,741.23 is: 92,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,748.08 : 151,469.75 = 66,741.23 : x
  2. Step 2: Convert to fraction form
    109,748.08/151,469.75 = 66,741.23/x
  3. Step 3: Cross multiply
    109,748.08x = 151,469.75 × 66,741.23
  4. Step 4: Simplify right side
    109,748.08x = 10,109,277,422.79
  5. Step 5: Solve for x
    x = 10,109,277,422.79/109,748.08
  6. Step 6: Final answer
    x = 92,113.48

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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.