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Finding the Fourth Proportional to 159,073.73, 219,498.89 and 93,623.64

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Solution

The fourth proportional to 159,073.73, 219,498.89 and 93,623.64 is: 129,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,073.73 : 219,498.89 = 93,623.64 : x
  2. Step 2: Convert to fraction form
    159,073.73/219,498.89 = 93,623.64/x
  3. Step 3: Cross multiply
    159,073.73x = 219,498.89 × 93,623.64
  4. Step 4: Simplify right side
    159,073.73x = 20,550,283,492.15
  5. Step 5: Solve for x
    x = 20,550,283,492.15/159,073.73
  6. Step 6: Final answer
    x = 129,187.16

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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.