Home / 160,585.04-221,512.20-96,885.20

Finding the Fourth Proportional to 160,585.04, 221,512.20 and 96,885.20

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Solution

The fourth proportional to 160,585.04, 221,512.20 and 96,885.20 is: 133,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,585.04 : 221,512.20 = 96,885.20 : x
  2. Step 2: Convert to fraction form
    160,585.04/221,512.20 = 96,885.20/x
  3. Step 3: Cross multiply
    160,585.04x = 221,512.20 × 96,885.20
  4. Step 4: Simplify right side
    160,585.04x = 21,461,253,799.44
  5. Step 5: Solve for x
    x = 21,461,253,799.44/160,585.04
  6. Step 6: Final answer
    x = 133,644.17

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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.