Home / 136,170.32-204,239.07-47,416.46

Finding the Fourth Proportional to 136,170.32, 204,239.07 and 47,416.46

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Solution

The fourth proportional to 136,170.32, 204,239.07 and 47,416.46 is: 71,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,170.32 : 204,239.07 = 47,416.46 : x
  2. Step 2: Convert to fraction form
    136,170.32/204,239.07 = 47,416.46/x
  3. Step 3: Cross multiply
    136,170.32x = 204,239.07 × 47,416.46
  4. Step 4: Simplify right side
    136,170.32x = 9,684,292,671.90
  5. Step 5: Solve for x
    x = 9,684,292,671.90/136,170.32
  6. Step 6: Final answer
    x = 71,118.97

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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.