Home / 124,096.80-186,145.20-76,857.60

Finding the Fourth Proportional to 124,096.80, 186,145.20 and 76,857.60

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Solution

The fourth proportional to 124,096.80, 186,145.20 and 76,857.60 is: 115,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,096.80 : 186,145.20 = 76,857.60 : x
  2. Step 2: Convert to fraction form
    124,096.80/186,145.20 = 76,857.60/x
  3. Step 3: Cross multiply
    124,096.80x = 186,145.20 × 76,857.60
  4. Step 4: Simplify right side
    124,096.80x = 14,306,673,323.52
  5. Step 5: Solve for x
    x = 14,306,673,323.52/124,096.80
  6. Step 6: Final answer
    x = 115,286.40

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1.5x scale

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.