Home / 159,050.85-219,417-140,920.05

Finding the Fourth Proportional to 159,050.85, 219,417 and 140,920.05

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Solution

The fourth proportional to 159,050.85, 219,417 and 140,920.05 is: 194,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,050.85 : 219,417 = 140,920.05 : x
  2. Step 2: Convert to fraction form
    159,050.85/219,417 = 140,920.05/x
  3. Step 3: Cross multiply
    159,050.85x = 219,417 × 140,920.05
  4. Step 4: Simplify right side
    159,050.85x = 30,920,254,610.85
  5. Step 5: Solve for x
    x = 30,920,254,610.85/159,050.85
  6. Step 6: Final answer
    x = 194,404.84

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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.