Home / 108,426.05-162,736.27-90,767.24

Finding the Fourth Proportional to 108,426.05, 162,736.27 and 90,767.24

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Solution

The fourth proportional to 108,426.05, 162,736.27 and 90,767.24 is: 136,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,426.05 : 162,736.27 = 90,767.24 : x
  2. Step 2: Convert to fraction form
    108,426.05/162,736.27 = 90,767.24/x
  3. Step 3: Cross multiply
    108,426.05x = 162,736.27 × 90,767.24
  4. Step 4: Simplify right side
    108,426.05x = 14,771,121,035.20
  5. Step 5: Solve for x
    x = 14,771,121,035.20/108,426.05
  6. Step 6: Final answer
    x = 136,232.22

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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.