Home / 251,109.82-346,534.10-136,389.57

Finding the Fourth Proportional to 251,109.82, 346,534.10 and 136,389.57

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Solution

The fourth proportional to 251,109.82, 346,534.10 and 136,389.57 is: 188,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,109.82 : 346,534.10 = 136,389.57 : x
  2. Step 2: Convert to fraction form
    251,109.82/346,534.10 = 136,389.57/x
  3. Step 3: Cross multiply
    251,109.82x = 346,534.10 × 136,389.57
  4. Step 4: Simplify right side
    251,109.82x = 47,263,637,368.60
  5. Step 5: Solve for x
    x = 47,263,637,368.60/251,109.82
  6. Step 6: Final answer
    x = 188,218.99

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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.