Home / 121,495.79-182,072.42-57,385.59

Finding the Fourth Proportional to 121,495.79, 182,072.42 and 57,385.59

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Solution

The fourth proportional to 121,495.79, 182,072.42 and 57,385.59 is: 85,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,495.79 : 182,072.42 = 57,385.59 : x
  2. Step 2: Convert to fraction form
    121,495.79/182,072.42 = 57,385.59/x
  3. Step 3: Cross multiply
    121,495.79x = 182,072.42 × 57,385.59
  4. Step 4: Simplify right side
    121,495.79x = 10,448,332,957.50
  5. Step 5: Solve for x
    x = 10,448,332,957.50/121,495.79
  6. Step 6: Final answer
    x = 85,997.49

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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.