Home / 126,225.95-174,180.58-72,505.94

Finding the Fourth Proportional to 126,225.95, 174,180.58 and 72,505.94

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Solution

The fourth proportional to 126,225.95, 174,180.58 and 72,505.94 is: 100,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,225.95 : 174,180.58 = 72,505.94 : x
  2. Step 2: Convert to fraction form
    126,225.95/174,180.58 = 72,505.94/x
  3. Step 3: Cross multiply
    126,225.95x = 174,180.58 × 72,505.94
  4. Step 4: Simplify right side
    126,225.95x = 12,629,125,630.48
  5. Step 5: Solve for x
    x = 12,629,125,630.48/126,225.95
  6. Step 6: Final answer
    x = 100,051.74

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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.