Home / 231,160.74-346,841.28-81,507.93

Finding the Fourth Proportional to 231,160.74, 346,841.28 and 81,507.93

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Solution

The fourth proportional to 231,160.74, 346,841.28 and 81,507.93 is: 122,297.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,160.74 : 346,841.28 = 81,507.93 : x
  2. Step 2: Convert to fraction form
    231,160.74/346,841.28 = 81,507.93/x
  3. Step 3: Cross multiply
    231,160.74x = 346,841.28 × 81,507.93
  4. Step 4: Simplify right side
    231,160.74x = 28,270,314,771.35
  5. Step 5: Solve for x
    x = 28,270,314,771.35/231,160.74
  6. Step 6: Final answer
    x = 122,297.22

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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.