Home / 154,569.57-231,511.77-118,767.30

Finding the Fourth Proportional to 154,569.57, 231,511.77 and 118,767.30

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Solution

The fourth proportional to 154,569.57, 231,511.77 and 118,767.30 is: 177,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,569.57 : 231,511.77 = 118,767.30 : x
  2. Step 2: Convert to fraction form
    154,569.57/231,511.77 = 118,767.30/x
  3. Step 3: Cross multiply
    154,569.57x = 231,511.77 × 118,767.30
  4. Step 4: Simplify right side
    154,569.57x = 27,496,027,841.12
  5. Step 5: Solve for x
    x = 27,496,027,841.12/154,569.57
  6. Step 6: Final answer
    x = 177,887.72

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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.