Home / 160,398.20-221,343.90-88,778.36

Finding the Fourth Proportional to 160,398.20, 221,343.90 and 88,778.36

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Solution

The fourth proportional to 160,398.20, 221,343.90 and 88,778.36 is: 122,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,398.20 : 221,343.90 = 88,778.36 : x
  2. Step 2: Convert to fraction form
    160,398.20/221,343.90 = 88,778.36/x
  3. Step 3: Cross multiply
    160,398.20x = 221,343.90 × 88,778.36
  4. Step 4: Simplify right side
    160,398.20x = 19,650,548,438.00
  5. Step 5: Solve for x
    x = 19,650,548,438.00/160,398.20
  6. Step 6: Final answer
    x = 122,511.03

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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.