Home / 217,040.22-299,519.46-130,999.32

Finding the Fourth Proportional to 217,040.22, 299,519.46 and 130,999.32

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Solution

The fourth proportional to 217,040.22, 299,519.46 and 130,999.32 is: 180,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,040.22 : 299,519.46 = 130,999.32 : x
  2. Step 2: Convert to fraction form
    217,040.22/299,519.46 = 130,999.32/x
  3. Step 3: Cross multiply
    217,040.22x = 299,519.46 × 130,999.32
  4. Step 4: Simplify right side
    217,040.22x = 39,236,845,586.77
  5. Step 5: Solve for x
    x = 39,236,845,586.77/217,040.22
  6. Step 6: Final answer
    x = 180,781.45

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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.