Home / 139,707.20-209,558.75-34,526.16

Finding the Fourth Proportional to 139,707.20, 209,558.75 and 34,526.16

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Solution

The fourth proportional to 139,707.20, 209,558.75 and 34,526.16 is: 51,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,707.20 : 209,558.75 = 34,526.16 : x
  2. Step 2: Convert to fraction form
    139,707.20/209,558.75 = 34,526.16/x
  3. Step 3: Cross multiply
    139,707.20x = 209,558.75 × 34,526.16
  4. Step 4: Simplify right side
    139,707.20x = 7,235,258,759.27
  5. Step 5: Solve for x
    x = 7,235,258,759.27/139,707.20
  6. Step 6: Final answer
    x = 51,788.73

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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.