Home / 251,340.64-346,847.28-136,616.80

Finding the Fourth Proportional to 251,340.64, 346,847.28 and 136,616.80

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Solution

The fourth proportional to 251,340.64, 346,847.28 and 136,616.80 is: 188,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,340.64 : 346,847.28 = 136,616.80 : x
  2. Step 2: Convert to fraction form
    251,340.64/346,847.28 = 136,616.80/x
  3. Step 3: Cross multiply
    251,340.64x = 346,847.28 × 136,616.80
  4. Step 4: Simplify right side
    251,340.64x = 47,385,165,482.30
  5. Step 5: Solve for x
    x = 47,385,165,482.30/251,340.64
  6. Step 6: Final answer
    x = 188,529.66

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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.