Home / 139,521.42-209,325.33-48,344.58

Finding the Fourth Proportional to 139,521.42, 209,325.33 and 48,344.58

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Solution

The fourth proportional to 139,521.42, 209,325.33 and 48,344.58 is: 72,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,521.42 : 209,325.33 = 48,344.58 : x
  2. Step 2: Convert to fraction form
    139,521.42/209,325.33 = 48,344.58/x
  3. Step 3: Cross multiply
    139,521.42x = 209,325.33 × 48,344.58
  4. Step 4: Simplify right side
    139,521.42x = 10,119,745,162.21
  5. Step 5: Solve for x
    x = 10,119,745,162.21/139,521.42
  6. Step 6: Final answer
    x = 72,531.84

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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.