Home / 667,565.56-1,001,339.16-162,130.42

Finding the Fourth Proportional to 667,565.56, 1,001,339.16 and 162,130.42

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Solution

The fourth proportional to 667,565.56, 1,001,339.16 and 162,130.42 is: 243,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,565.56 : 1,001,339.16 = 162,130.42 : x
  2. Step 2: Convert to fraction form
    667,565.56/1,001,339.16 = 162,130.42/x
  3. Step 3: Cross multiply
    667,565.56x = 1,001,339.16 × 162,130.42
  4. Step 4: Simplify right side
    667,565.56x = 162,347,538,573.25
  5. Step 5: Solve for x
    x = 162,347,538,573.25/667,565.56
  6. Step 6: Final answer
    x = 243,193.40

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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.