Home / 126,722.50-174,877.05-73,730.50

Finding the Fourth Proportional to 126,722.50, 174,877.05 and 73,730.50

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Solution

The fourth proportional to 126,722.50, 174,877.05 and 73,730.50 is: 101,748.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,722.50 : 174,877.05 = 73,730.50 : x
  2. Step 2: Convert to fraction form
    126,722.50/174,877.05 = 73,730.50/x
  3. Step 3: Cross multiply
    126,722.50x = 174,877.05 × 73,730.50
  4. Step 4: Simplify right side
    126,722.50x = 12,893,772,335.03
  5. Step 5: Solve for x
    x = 12,893,772,335.03/126,722.50
  6. Step 6: Final answer
    x = 101,748.09

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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.