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Finding the Fourth Proportional to 108,832.17, 150,203.09 and 61,088.13

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Solution

The fourth proportional to 108,832.17, 150,203.09 and 61,088.13 is: 84,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,832.17 : 150,203.09 = 61,088.13 : x
  2. Step 2: Convert to fraction form
    108,832.17/150,203.09 = 61,088.13/x
  3. Step 3: Cross multiply
    108,832.17x = 150,203.09 × 61,088.13
  4. Step 4: Simplify right side
    108,832.17x = 9,175,625,582.88
  5. Step 5: Solve for x
    x = 9,175,625,582.88/108,832.17
  6. Step 6: Final answer
    x = 84,309.87

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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.