Home / 209,006.64-313,508.28-124,205.20

Finding the Fourth Proportional to 209,006.64, 313,508.28 and 124,205.20

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Solution

The fourth proportional to 209,006.64, 313,508.28 and 124,205.20 is: 186,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,006.64 : 313,508.28 = 124,205.20 : x
  2. Step 2: Convert to fraction form
    209,006.64/313,508.28 = 124,205.20/x
  3. Step 3: Cross multiply
    209,006.64x = 313,508.28 × 124,205.20
  4. Step 4: Simplify right side
    209,006.64x = 38,939,358,619.06
  5. Step 5: Solve for x
    x = 38,939,358,619.06/209,006.64
  6. Step 6: Final answer
    x = 186,306.80

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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.