Home / 209,920.74-289,679.67-119,264.10

Finding the Fourth Proportional to 209,920.74, 289,679.67 and 119,264.10

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Solution

The fourth proportional to 209,920.74, 289,679.67 and 119,264.10 is: 164,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,920.74 : 289,679.67 = 119,264.10 : x
  2. Step 2: Convert to fraction form
    209,920.74/289,679.67 = 119,264.10/x
  3. Step 3: Cross multiply
    209,920.74x = 289,679.67 × 119,264.10
  4. Step 4: Simplify right side
    209,920.74x = 34,548,385,130.85
  5. Step 5: Solve for x
    x = 34,548,385,130.85/209,920.74
  6. Step 6: Final answer
    x = 164,578.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.