Home / 160,633.90-221,671.46-89,013.29

Finding the Fourth Proportional to 160,633.90, 221,671.46 and 89,013.29

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Solution

The fourth proportional to 160,633.90, 221,671.46 and 89,013.29 is: 122,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,633.90 : 221,671.46 = 89,013.29 : x
  2. Step 2: Convert to fraction form
    160,633.90/221,671.46 = 89,013.29/x
  3. Step 3: Cross multiply
    160,633.90x = 221,671.46 × 89,013.29
  4. Step 4: Simplify right side
    160,633.90x = 19,731,706,730.42
  5. Step 5: Solve for x
    x = 19,731,706,730.42/160,633.90
  6. Step 6: Final answer
    x = 122,836.51

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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.