Home / 121,394.47-182,089.54-46,494.31

Finding the Fourth Proportional to 121,394.47, 182,089.54 and 46,494.31

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Solution

The fourth proportional to 121,394.47, 182,089.54 and 46,494.31 is: 69,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,394.47 : 182,089.54 = 46,494.31 : x
  2. Step 2: Convert to fraction form
    121,394.47/182,089.54 = 46,494.31/x
  3. Step 3: Cross multiply
    121,394.47x = 182,089.54 × 46,494.31
  4. Step 4: Simplify right side
    121,394.47x = 8,466,126,493.83
  5. Step 5: Solve for x
    x = 8,466,126,493.83/121,394.47
  6. Step 6: Final answer
    x = 69,740.63

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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.