Home / 152,005.27-209,788.11-87,473.18

Finding the Fourth Proportional to 152,005.27, 209,788.11 and 87,473.18

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Solution

The fourth proportional to 152,005.27, 209,788.11 and 87,473.18 is: 120,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,005.27 : 209,788.11 = 87,473.18 : x
  2. Step 2: Convert to fraction form
    152,005.27/209,788.11 = 87,473.18/x
  3. Step 3: Cross multiply
    152,005.27x = 209,788.11 × 87,473.18
  4. Step 4: Simplify right side
    152,005.27x = 18,350,833,107.89
  5. Step 5: Solve for x
    x = 18,350,833,107.89/152,005.27
  6. Step 6: Final answer
    x = 120,724.98

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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.