Home / 217,026.18-299,422.25-126,362.96

Finding the Fourth Proportional to 217,026.18, 299,422.25 and 126,362.96

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Solution

The fourth proportional to 217,026.18, 299,422.25 and 126,362.96 is: 174,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,026.18 : 299,422.25 = 126,362.96 : x
  2. Step 2: Convert to fraction form
    217,026.18/299,422.25 = 126,362.96/x
  3. Step 3: Cross multiply
    217,026.18x = 299,422.25 × 126,362.96
  4. Step 4: Simplify right side
    217,026.18x = 37,835,879,670.93
  5. Step 5: Solve for x
    x = 37,835,879,670.93/217,026.18
  6. Step 6: Final answer
    x = 174,337.86

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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.