Home / 139,377.04-209,098.35-43,309.28

Finding the Fourth Proportional to 139,377.04, 209,098.35 and 43,309.28

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Solution

The fourth proportional to 139,377.04, 209,098.35 and 43,309.28 is: 64,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,377.04 : 209,098.35 = 43,309.28 : x
  2. Step 2: Convert to fraction form
    139,377.04/209,098.35 = 43,309.28/x
  3. Step 3: Cross multiply
    139,377.04x = 209,098.35 × 43,309.28
  4. Step 4: Simplify right side
    139,377.04x = 9,055,899,510.43
  5. Step 5: Solve for x
    x = 9,055,899,510.43/139,377.04
  6. Step 6: Final answer
    x = 64,974.11

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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.