Home / 160,491.22-221,475.15-88,869.70

Finding the Fourth Proportional to 160,491.22, 221,475.15 and 88,869.70

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Solution

The fourth proportional to 160,491.22, 221,475.15 and 88,869.70 is: 122,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,491.22 : 221,475.15 = 88,869.70 : x
  2. Step 2: Convert to fraction form
    160,491.22/221,475.15 = 88,869.70/x
  3. Step 3: Cross multiply
    160,491.22x = 221,475.15 × 88,869.70
  4. Step 4: Simplify right side
    160,491.22x = 19,682,430,748.06
  5. Step 5: Solve for x
    x = 19,682,430,748.06/160,491.22
  6. Step 6: Final answer
    x = 122,638.68

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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.