Home / 126,226.40-174,200.88-72,528.80

Finding the Fourth Proportional to 126,226.40, 174,200.88 and 72,528.80

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Solution

The fourth proportional to 126,226.40, 174,200.88 and 72,528.80 is: 100,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,226.40 : 174,200.88 = 72,528.80 : x
  2. Step 2: Convert to fraction form
    126,226.40/174,200.88 = 72,528.80/x
  3. Step 3: Cross multiply
    126,226.40x = 174,200.88 × 72,528.80
  4. Step 4: Simplify right side
    126,226.40x = 12,634,580,785.34
  5. Step 5: Solve for x
    x = 12,634,580,785.34/126,226.40
  6. Step 6: Final answer
    x = 100,094.60

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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.