Home / 247,087.12-340,980.16-133,909.88

Finding the Fourth Proportional to 247,087.12, 340,980.16 and 133,909.88

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Solution

The fourth proportional to 247,087.12, 340,980.16 and 133,909.88 is: 184,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,087.12 : 340,980.16 = 133,909.88 : x
  2. Step 2: Convert to fraction form
    247,087.12/340,980.16 = 133,909.88/x
  3. Step 3: Cross multiply
    247,087.12x = 340,980.16 × 133,909.88
  4. Step 4: Simplify right side
    247,087.12x = 45,660,612,307.98
  5. Step 5: Solve for x
    x = 45,660,612,307.98/247,087.12
  6. Step 6: Final answer
    x = 184,795.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.