Home / 124,200.09-171,409.23-76,452.48

Finding the Fourth Proportional to 124,200.09, 171,409.23 and 76,452.48

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Solution

The fourth proportional to 124,200.09, 171,409.23 and 76,452.48 is: 105,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,200.09 : 171,409.23 = 76,452.48 : x
  2. Step 2: Convert to fraction form
    124,200.09/171,409.23 = 76,452.48/x
  3. Step 3: Cross multiply
    124,200.09x = 171,409.23 × 76,452.48
  4. Step 4: Simplify right side
    124,200.09x = 13,104,660,728.39
  5. Step 5: Solve for x
    x = 13,104,660,728.39/124,200.09
  6. Step 6: Final answer
    x = 105,512.49

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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.