Home / 159,154.32-238,682.72-52,518.62

Finding the Fourth Proportional to 159,154.32, 238,682.72 and 52,518.62

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Solution

The fourth proportional to 159,154.32, 238,682.72 and 52,518.62 is: 78,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,154.32 : 238,682.72 = 52,518.62 : x
  2. Step 2: Convert to fraction form
    159,154.32/238,682.72 = 52,518.62/x
  3. Step 3: Cross multiply
    159,154.32x = 238,682.72 × 52,518.62
  4. Step 4: Simplify right side
    159,154.32x = 12,535,287,072.25
  5. Step 5: Solve for x
    x = 12,535,287,072.25/159,154.32
  6. Step 6: Final answer
    x = 78,761.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.