Home / 126,024.39-173,911.77-72,308.21

Finding the Fourth Proportional to 126,024.39, 173,911.77 and 72,308.21

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Solution

The fourth proportional to 126,024.39, 173,911.77 and 72,308.21 is: 99,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024.39 : 173,911.77 = 72,308.21 : x
  2. Step 2: Convert to fraction form
    126,024.39/173,911.77 = 72,308.21/x
  3. Step 3: Cross multiply
    126,024.39x = 173,911.77 × 72,308.21
  4. Step 4: Simplify right side
    126,024.39x = 12,575,247,917.07
  5. Step 5: Solve for x
    x = 12,575,247,917.07/126,024.39
  6. Step 6: Final answer
    x = 99,784.24

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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.