Home / 124,146.75-186,220.62-30,652.50

Finding the Fourth Proportional to 124,146.75, 186,220.62 and 30,652.50

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Solution

The fourth proportional to 124,146.75, 186,220.62 and 30,652.50 is: 45,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,146.75 : 186,220.62 = 30,652.50 : x
  2. Step 2: Convert to fraction form
    124,146.75/186,220.62 = 30,652.50/x
  3. Step 3: Cross multiply
    124,146.75x = 186,220.62 × 30,652.50
  4. Step 4: Simplify right side
    124,146.75x = 5,708,127,554.55
  5. Step 5: Solve for x
    x = 5,708,127,554.55/124,146.75
  6. Step 6: Final answer
    x = 45,978.87

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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.