Home / 133,040.55-183,594.52-72,610.70

Finding the Fourth Proportional to 133,040.55, 183,594.52 and 72,610.70

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Solution

The fourth proportional to 133,040.55, 183,594.52 and 72,610.70 is: 100,201.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040.55 : 183,594.52 = 72,610.70 : x
  2. Step 2: Convert to fraction form
    133,040.55/183,594.52 = 72,610.70/x
  3. Step 3: Cross multiply
    133,040.55x = 183,594.52 × 72,610.70
  4. Step 4: Simplify right side
    133,040.55x = 13,330,926,613.36
  5. Step 5: Solve for x
    x = 13,330,926,613.36/133,040.55
  6. Step 6: Final answer
    x = 100,201.98

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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.