Home / 251,020.64-346,412.45-136,299.21

Finding the Fourth Proportional to 251,020.64, 346,412.45 and 136,299.21

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Solution

The fourth proportional to 251,020.64, 346,412.45 and 136,299.21 is: 188,095.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,020.64 : 346,412.45 = 136,299.21 : x
  2. Step 2: Convert to fraction form
    251,020.64/346,412.45 = 136,299.21/x
  3. Step 3: Cross multiply
    251,020.64x = 346,412.45 × 136,299.21
  4. Step 4: Simplify right side
    251,020.64x = 47,215,742,587.67
  5. Step 5: Solve for x
    x = 47,215,742,587.67/251,020.64
  6. Step 6: Final answer
    x = 188,095.06

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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.