Home / 231,384.96-346,989.84-126,146.64

Finding the Fourth Proportional to 231,384.96, 346,989.84 and 126,146.64

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Solution

The fourth proportional to 231,384.96, 346,989.84 and 126,146.64 is: 189,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,384.96 : 346,989.84 = 126,146.64 : x
  2. Step 2: Convert to fraction form
    231,384.96/346,989.84 = 126,146.64/x
  3. Step 3: Cross multiply
    231,384.96x = 346,989.84 × 126,146.64
  4. Step 4: Simplify right side
    231,384.96x = 43,771,602,430.14
  5. Step 5: Solve for x
    x = 43,771,602,430.14/231,384.96
  6. Step 6: Final answer
    x = 189,172.20

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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.