Home / 209,962.88-314,994-83,610.44

Finding the Fourth Proportional to 209,962.88, 314,994 and 83,610.44

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Solution

The fourth proportional to 209,962.88, 314,994 and 83,610.44 is: 125,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,962.88 : 314,994 = 83,610.44 : x
  2. Step 2: Convert to fraction form
    209,962.88/314,994 = 83,610.44/x
  3. Step 3: Cross multiply
    209,962.88x = 314,994 × 83,610.44
  4. Step 4: Simplify right side
    209,962.88x = 26,336,786,937.36
  5. Step 5: Solve for x
    x = 26,336,786,937.36/209,962.88
  6. Step 6: Final answer
    x = 125,435.44

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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.