Home / 121,425.85-182,028.51-42,497.02

Finding the Fourth Proportional to 121,425.85, 182,028.51 and 42,497.02

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Solution

The fourth proportional to 121,425.85, 182,028.51 and 42,497.02 is: 63,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,425.85 : 182,028.51 = 42,497.02 : x
  2. Step 2: Convert to fraction form
    121,425.85/182,028.51 = 42,497.02/x
  3. Step 3: Cross multiply
    121,425.85x = 182,028.51 × 42,497.02
  4. Step 4: Simplify right side
    121,425.85x = 7,735,669,616.94
  5. Step 5: Solve for x
    x = 7,735,669,616.94/121,425.85
  6. Step 6: Final answer
    x = 63,706.94

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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.