Home / 251,105.42-346,528.02-136,385.16

Finding the Fourth Proportional to 251,105.42, 346,528.02 and 136,385.16

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Solution

The fourth proportional to 251,105.42, 346,528.02 and 136,385.16 is: 188,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,105.42 : 346,528.02 = 136,385.16 : x
  2. Step 2: Convert to fraction form
    251,105.42/346,528.02 = 136,385.16/x
  3. Step 3: Cross multiply
    251,105.42x = 346,528.02 × 136,385.16
  4. Step 4: Simplify right side
    251,105.42x = 47,261,279,452.18
  5. Step 5: Solve for x
    x = 47,261,279,452.18/251,105.42
  6. Step 6: Final answer
    x = 188,212.90

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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.