Home / 160,631.64-221,680.50-89,010.09

Finding the Fourth Proportional to 160,631.64, 221,680.50 and 89,010.09

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Solution

The fourth proportional to 160,631.64, 221,680.50 and 89,010.09 is: 122,838.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,631.64 : 221,680.50 = 89,010.09 : x
  2. Step 2: Convert to fraction form
    160,631.64/221,680.50 = 89,010.09/x
  3. Step 3: Cross multiply
    160,631.64x = 221,680.50 × 89,010.09
  4. Step 4: Simplify right side
    160,631.64x = 19,731,801,256.25
  5. Step 5: Solve for x
    x = 19,731,801,256.25/160,631.64
  6. Step 6: Final answer
    x = 122,838.82

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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.