Home / 198,140.88-273,528.48-125,580

Finding the Fourth Proportional to 198,140.88, 273,528.48 and 125,580

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Solution

The fourth proportional to 198,140.88, 273,528.48 and 125,580 is: 173,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,140.88 : 273,528.48 = 125,580 : x
  2. Step 2: Convert to fraction form
    198,140.88/273,528.48 = 125,580/x
  3. Step 3: Cross multiply
    198,140.88x = 273,528.48 × 125,580
  4. Step 4: Simplify right side
    198,140.88x = 34,349,706,518.40
  5. Step 5: Solve for x
    x = 34,349,706,518.40/198,140.88
  6. Step 6: Final answer
    x = 173,360.02

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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.