Home / 256,642.07-385,028.64-106,832.57

Finding the Fourth Proportional to 256,642.07, 385,028.64 and 106,832.57

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Solution

The fourth proportional to 256,642.07, 385,028.64 and 106,832.57 is: 160,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,642.07 : 385,028.64 = 106,832.57 : x
  2. Step 2: Convert to fraction form
    256,642.07/385,028.64 = 106,832.57/x
  3. Step 3: Cross multiply
    256,642.07x = 385,028.64 × 106,832.57
  4. Step 4: Simplify right side
    256,642.07x = 41,133,597,209.66
  5. Step 5: Solve for x
    x = 41,133,597,209.66/256,642.07
  6. Step 6: Final answer
    x = 160,276.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.