Home / 126,743.00-174,913.70-73,031.40

Finding the Fourth Proportional to 126,743.00, 174,913.70 and 73,031.40

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Solution

The fourth proportional to 126,743.00, 174,913.70 and 73,031.40 is: 100,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,743.00 : 174,913.70 = 73,031.40 : x
  2. Step 2: Convert to fraction form
    126,743.00/174,913.70 = 73,031.40/x
  3. Step 3: Cross multiply
    126,743.00x = 174,913.70 × 73,031.40
  4. Step 4: Simplify right side
    126,743.00x = 12,774,192,025.02
  5. Step 5: Solve for x
    x = 12,774,192,025.02/126,743.00
  6. Step 6: Final answer
    x = 100,788.15

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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.