Home / 121,496.65-182,257.95-51,383.05

Finding the Fourth Proportional to 121,496.65, 182,257.95 and 51,383.05

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Solution

The fourth proportional to 121,496.65, 182,257.95 and 51,383.05 is: 77,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,496.65 : 182,257.95 = 51,383.05 : x
  2. Step 2: Convert to fraction form
    121,496.65/182,257.95 = 51,383.05/x
  3. Step 3: Cross multiply
    121,496.65x = 182,257.95 × 51,383.05
  4. Step 4: Simplify right side
    121,496.65x = 9,364,968,318.00
  5. Step 5: Solve for x
    x = 9,364,968,318.00/121,496.65
  6. Step 6: Final answer
    x = 77,080.06

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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.