Home / 121,422.84-182,090.52-51,307.62

Finding the Fourth Proportional to 121,422.84, 182,090.52 and 51,307.62

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Solution

The fourth proportional to 121,422.84, 182,090.52 and 51,307.62 is: 76,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,422.84 : 182,090.52 = 51,307.62 : x
  2. Step 2: Convert to fraction form
    121,422.84/182,090.52 = 51,307.62/x
  3. Step 3: Cross multiply
    121,422.84x = 182,090.52 × 51,307.62
  4. Step 4: Simplify right side
    121,422.84x = 9,342,631,205.76
  5. Step 5: Solve for x
    x = 9,342,631,205.76/121,422.84
  6. Step 6: Final answer
    x = 76,942.95

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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.