Home / 251,050.07-346,457.08-137,872.82

Finding the Fourth Proportional to 251,050.07, 346,457.08 and 137,872.82

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Solution

The fourth proportional to 251,050.07, 346,457.08 and 137,872.82 is: 190,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,050.07 : 346,457.08 = 137,872.82 : x
  2. Step 2: Convert to fraction form
    251,050.07/346,457.08 = 137,872.82/x
  3. Step 3: Cross multiply
    251,050.07x = 346,457.08 × 137,872.82
  4. Step 4: Simplify right side
    251,050.07x = 47,767,015,667.05
  5. Step 5: Solve for x
    x = 47,767,015,667.05/251,050.07
  6. Step 6: Final answer
    x = 190,268.88

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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.