Home / 197,084.21-295,369.20-90,429.66

Finding the Fourth Proportional to 197,084.21, 295,369.20 and 90,429.66

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Solution

The fourth proportional to 197,084.21, 295,369.20 and 90,429.66 is: 135,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,084.21 : 295,369.20 = 90,429.66 : x
  2. Step 2: Convert to fraction form
    197,084.21/295,369.20 = 90,429.66/x
  3. Step 3: Cross multiply
    197,084.21x = 295,369.20 × 90,429.66
  4. Step 4: Simplify right side
    197,084.21x = 26,710,136,330.47
  5. Step 5: Solve for x
    x = 26,710,136,330.47/197,084.21
  6. Step 6: Final answer
    x = 135,526.52

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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.