Home / 124,518.30-186,778.80-35,772.54

Finding the Fourth Proportional to 124,518.30, 186,778.80 and 35,772.54

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Solution

The fourth proportional to 124,518.30, 186,778.80 and 35,772.54 is: 53,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518.30 : 186,778.80 = 35,772.54 : x
  2. Step 2: Convert to fraction form
    124,518.30/186,778.80 = 35,772.54/x
  3. Step 3: Cross multiply
    124,518.30x = 186,778.80 × 35,772.54
  4. Step 4: Simplify right side
    124,518.30x = 6,681,552,094.15
  5. Step 5: Solve for x
    x = 6,681,552,094.15/124,518.30
  6. Step 6: Final answer
    x = 53,659.20

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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.