Home / 126,339.35-174,328.45-72,614.32

Finding the Fourth Proportional to 126,339.35, 174,328.45 and 72,614.32

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Solution

The fourth proportional to 126,339.35, 174,328.45 and 72,614.32 is: 100,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,339.35 : 174,328.45 = 72,614.32 : x
  2. Step 2: Convert to fraction form
    126,339.35/174,328.45 = 72,614.32/x
  3. Step 3: Cross multiply
    126,339.35x = 174,328.45 × 72,614.32
  4. Step 4: Simplify right side
    126,339.35x = 12,658,741,236.05
  5. Step 5: Solve for x
    x = 12,658,741,236.05/126,339.35
  6. Step 6: Final answer
    x = 100,196.35

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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.