Home / 109,741.03-151,434.76-64,420.85

Finding the Fourth Proportional to 109,741.03, 151,434.76 and 64,420.85

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Solution

The fourth proportional to 109,741.03, 151,434.76 and 64,420.85 is: 88,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,741.03 : 151,434.76 = 64,420.85 : x
  2. Step 2: Convert to fraction form
    109,741.03/151,434.76 = 64,420.85/x
  3. Step 3: Cross multiply
    109,741.03x = 151,434.76 × 64,420.85
  4. Step 4: Simplify right side
    109,741.03x = 9,755,555,636.64
  5. Step 5: Solve for x
    x = 9,755,555,636.64/109,741.03
  6. Step 6: Final answer
    x = 88,896.16

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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.