Home / 90,832.26-136,270.27-28,502.76

Finding the Fourth Proportional to 90,832.26, 136,270.27 and 28,502.76

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Solution

The fourth proportional to 90,832.26, 136,270.27 and 28,502.76 is: 42,761.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,832.26 : 136,270.27 = 28,502.76 : x
  2. Step 2: Convert to fraction form
    90,832.26/136,270.27 = 28,502.76/x
  3. Step 3: Cross multiply
    90,832.26x = 136,270.27 × 28,502.76
  4. Step 4: Simplify right side
    90,832.26x = 3,884,078,800.95
  5. Step 5: Solve for x
    x = 3,884,078,800.95/90,832.26
  6. Step 6: Final answer
    x = 42,761.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.