Home / 209,768.12-314,926.60-124,534.58

Finding the Fourth Proportional to 209,768.12, 314,926.60 and 124,534.58

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Solution

The fourth proportional to 209,768.12, 314,926.60 and 124,534.58 is: 186,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,768.12 : 314,926.60 = 124,534.58 : x
  2. Step 2: Convert to fraction form
    209,768.12/314,926.60 = 124,534.58/x
  3. Step 3: Cross multiply
    209,768.12x = 314,926.60 × 124,534.58
  4. Step 4: Simplify right side
    209,768.12x = 39,219,251,861.83
  5. Step 5: Solve for x
    x = 39,219,251,861.83/209,768.12
  6. Step 6: Final answer
    x = 186,964.79

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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.