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Finding the Fourth Proportional to 155,662.24, 214,814.88 and 88,594.24

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Solution

The fourth proportional to 155,662.24, 214,814.88 and 88,594.24 is: 122,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,662.24 : 214,814.88 = 88,594.24 : x
  2. Step 2: Convert to fraction form
    155,662.24/214,814.88 = 88,594.24/x
  3. Step 3: Cross multiply
    155,662.24x = 214,814.88 × 88,594.24
  4. Step 4: Simplify right side
    155,662.24x = 19,031,361,034.29
  5. Step 5: Solve for x
    x = 19,031,361,034.29/155,662.24
  6. Step 6: Final answer
    x = 122,260.61

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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.