Home / 251,131.58-346,565.31-136,412.46

Finding the Fourth Proportional to 251,131.58, 346,565.31 and 136,412.46

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Solution

The fourth proportional to 251,131.58, 346,565.31 and 136,412.46 is: 188,251.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,131.58 : 346,565.31 = 136,412.46 : x
  2. Step 2: Convert to fraction form
    251,131.58/346,565.31 = 136,412.46/x
  3. Step 3: Cross multiply
    251,131.58x = 346,565.31 × 136,412.46
  4. Step 4: Simplify right side
    251,131.58x = 47,275,826,487.76
  5. Step 5: Solve for x
    x = 47,275,826,487.76/251,131.58
  6. Step 6: Final answer
    x = 188,251.22

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1.5x scale

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.