Home / 209,262.04-313,848.78-68,987.32

Finding the Fourth Proportional to 209,262.04, 313,848.78 and 68,987.32

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Solution

The fourth proportional to 209,262.04, 313,848.78 and 68,987.32 is: 103,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,262.04 : 313,848.78 = 68,987.32 : x
  2. Step 2: Convert to fraction form
    209,262.04/313,848.78 = 68,987.32/x
  3. Step 3: Cross multiply
    209,262.04x = 313,848.78 × 68,987.32
  4. Step 4: Simplify right side
    209,262.04x = 21,651,586,217.47
  5. Step 5: Solve for x
    x = 21,651,586,217.47/209,262.04
  6. Step 6: Final answer
    x = 103,466.38

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1.5x scale

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.