Home / 210,777.24-290,883.24-124,785.57

Finding the Fourth Proportional to 210,777.24, 290,883.24 and 124,785.57

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Solution

The fourth proportional to 210,777.24, 290,883.24 and 124,785.57 is: 172,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,777.24 : 290,883.24 = 124,785.57 : x
  2. Step 2: Convert to fraction form
    210,777.24/290,883.24 = 124,785.57/x
  3. Step 3: Cross multiply
    210,777.24x = 290,883.24 × 124,785.57
  4. Step 4: Simplify right side
    210,777.24x = 36,298,030,906.85
  5. Step 5: Solve for x
    x = 36,298,030,906.85/210,777.24
  6. Step 6: Final answer
    x = 172,210.39

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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.