Home / 90,829.89-125,362.60-60,148.91

Finding the Fourth Proportional to 90,829.89, 125,362.60 and 60,148.91

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Solution

The fourth proportional to 90,829.89, 125,362.60 and 60,148.91 is: 83,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,829.89 : 125,362.60 = 60,148.91 : x
  2. Step 2: Convert to fraction form
    90,829.89/125,362.60 = 60,148.91/x
  3. Step 3: Cross multiply
    90,829.89x = 125,362.60 × 60,148.91
  4. Step 4: Simplify right side
    90,829.89x = 7,540,423,907.80
  5. Step 5: Solve for x
    x = 7,540,423,907.80/90,829.89
  6. Step 6: Final answer
    x = 83,016.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.