Home / 119,900.03-165,439.02-72,156.44

Finding the Fourth Proportional to 119,900.03, 165,439.02 and 72,156.44

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Solution

The fourth proportional to 119,900.03, 165,439.02 and 72,156.44 is: 99,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,900.03 : 165,439.02 = 72,156.44 : x
  2. Step 2: Convert to fraction form
    119,900.03/165,439.02 = 72,156.44/x
  3. Step 3: Cross multiply
    119,900.03x = 165,439.02 × 72,156.44
  4. Step 4: Simplify right side
    119,900.03x = 11,937,491,133.89
  5. Step 5: Solve for x
    x = 11,937,491,133.89/119,900.03
  6. Step 6: Final answer
    x = 99,562.04

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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.