Home / 213,962.53-320,994.45-69,867.64

Finding the Fourth Proportional to 213,962.53, 320,994.45 and 69,867.64

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Solution

The fourth proportional to 213,962.53, 320,994.45 and 69,867.64 is: 104,818.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,962.53 : 320,994.45 = 69,867.64 : x
  2. Step 2: Convert to fraction form
    213,962.53/320,994.45 = 69,867.64/x
  3. Step 3: Cross multiply
    213,962.53x = 320,994.45 × 69,867.64
  4. Step 4: Simplify right side
    213,962.53x = 22,427,124,674.60
  5. Step 5: Solve for x
    x = 22,427,124,674.60/213,962.53
  6. Step 6: Final answer
    x = 104,818.00

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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.