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Finding the Fourth Proportional to 160,453.84, 221,428.04 and 88,835.04

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Solution

The fourth proportional to 160,453.84, 221,428.04 and 88,835.04 is: 122,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,453.84 : 221,428.04 = 88,835.04 : x
  2. Step 2: Convert to fraction form
    160,453.84/221,428.04 = 88,835.04/x
  3. Step 3: Cross multiply
    160,453.84x = 221,428.04 × 88,835.04
  4. Step 4: Simplify right side
    160,453.84x = 19,670,568,790.52
  5. Step 5: Solve for x
    x = 19,670,568,790.52/160,453.84
  6. Step 6: Final answer
    x = 122,593.32

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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.