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Finding the Fourth Proportional to 112,952.66, 168,506.22 and 104,899.02

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Solution

The fourth proportional to 112,952.66, 168,506.22 and 104,899.02 is: 156,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,952.66 : 168,506.22 = 104,899.02 : x
  2. Step 2: Convert to fraction form
    112,952.66/168,506.22 = 104,899.02/x
  3. Step 3: Cross multiply
    112,952.66x = 168,506.22 × 104,899.02
  4. Step 4: Simplify right side
    112,952.66x = 17,676,137,341.90
  5. Step 5: Solve for x
    x = 17,676,137,341.90/112,952.66
  6. Step 6: Final answer
    x = 156,491.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.