Home / 124,153.75-186,231.17-30,659.50

Finding the Fourth Proportional to 124,153.75, 186,231.17 and 30,659.50

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Solution

The fourth proportional to 124,153.75, 186,231.17 and 30,659.50 is: 45,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,153.75 : 186,231.17 = 30,659.50 : x
  2. Step 2: Convert to fraction form
    124,153.75/186,231.17 = 30,659.50/x
  3. Step 3: Cross multiply
    124,153.75x = 186,231.17 × 30,659.50
  4. Step 4: Simplify right side
    124,153.75x = 5,709,754,556.62
  5. Step 5: Solve for x
    x = 5,709,754,556.62/124,153.75
  6. Step 6: Final answer
    x = 45,989.38

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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.