Home / 251,113.12-346,539.74-136,392.21

Finding the Fourth Proportional to 251,113.12, 346,539.74 and 136,392.21

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Solution

The fourth proportional to 251,113.12, 346,539.74 and 136,392.21 is: 188,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,113.12 : 346,539.74 = 136,392.21 : x
  2. Step 2: Convert to fraction form
    251,113.12/346,539.74 = 136,392.21/x
  3. Step 3: Cross multiply
    251,113.12x = 346,539.74 × 136,392.21
  4. Step 4: Simplify right side
    251,113.12x = 47,265,320,309.46
  5. Step 5: Solve for x
    x = 47,265,320,309.46/251,113.12
  6. Step 6: Final answer
    x = 188,223.22

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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.