Home / 126,840.78-175,030.65-70,250.94

Finding the Fourth Proportional to 126,840.78, 175,030.65 and 70,250.94

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Solution

The fourth proportional to 126,840.78, 175,030.65 and 70,250.94 is: 96,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,840.78 : 175,030.65 = 70,250.94 : x
  2. Step 2: Convert to fraction form
    126,840.78/175,030.65 = 70,250.94/x
  3. Step 3: Cross multiply
    126,840.78x = 175,030.65 × 70,250.94
  4. Step 4: Simplify right side
    126,840.78x = 12,296,067,777.63
  5. Step 5: Solve for x
    x = 12,296,067,777.63/126,840.78
  6. Step 6: Final answer
    x = 96,940.96

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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.