Home / 139,709.68-209,562.48-34,528.66

Finding the Fourth Proportional to 139,709.68, 209,562.48 and 34,528.66

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Solution

The fourth proportional to 139,709.68, 209,562.48 and 34,528.66 is: 51,792.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,709.68 : 209,562.48 = 34,528.66 : x
  2. Step 2: Convert to fraction form
    139,709.68/209,562.48 = 34,528.66/x
  3. Step 3: Cross multiply
    139,709.68x = 209,562.48 × 34,528.66
  4. Step 4: Simplify right side
    139,709.68x = 7,235,911,620.68
  5. Step 5: Solve for x
    x = 7,235,911,620.68/139,709.68
  6. Step 6: Final answer
    x = 51,792.49

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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.