Home / 139,609.08-209,534.54-73,095.75

Finding the Fourth Proportional to 139,609.08, 209,534.54 and 73,095.75

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Solution

The fourth proportional to 139,609.08, 209,534.54 and 73,095.75 is: 109,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,609.08 : 209,534.54 = 73,095.75 : x
  2. Step 2: Convert to fraction form
    139,609.08/209,534.54 = 73,095.75/x
  3. Step 3: Cross multiply
    139,609.08x = 209,534.54 × 73,095.75
  4. Step 4: Simplify right side
    139,609.08x = 15,316,083,986.73
  5. Step 5: Solve for x
    x = 15,316,083,986.73/139,609.08
  6. Step 6: Final answer
    x = 109,706.93

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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.