Home / 124,903.49-172,324.87-71,150.47

Finding the Fourth Proportional to 124,903.49, 172,324.87 and 71,150.47

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Solution

The fourth proportional to 124,903.49, 172,324.87 and 71,150.47 is: 98,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,903.49 : 172,324.87 = 71,150.47 : x
  2. Step 2: Convert to fraction form
    124,903.49/172,324.87 = 71,150.47/x
  3. Step 3: Cross multiply
    124,903.49x = 172,324.87 × 71,150.47
  4. Step 4: Simplify right side
    124,903.49x = 12,260,994,884.50
  5. Step 5: Solve for x
    x = 12,260,994,884.50/124,903.49
  6. Step 6: Final answer
    x = 98,163.75

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1.5x scale

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.