Home / 126,298.32-174,290.80-69,709.72

Finding the Fourth Proportional to 126,298.32, 174,290.80 and 69,709.72

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Solution

The fourth proportional to 126,298.32, 174,290.80 and 69,709.72 is: 96,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,298.32 : 174,290.80 = 69,709.72 : x
  2. Step 2: Convert to fraction form
    126,298.32/174,290.80 = 69,709.72/x
  3. Step 3: Cross multiply
    126,298.32x = 174,290.80 × 69,709.72
  4. Step 4: Simplify right side
    126,298.32x = 12,149,762,866.58
  5. Step 5: Solve for x
    x = 12,149,762,866.58/126,298.32
  6. Step 6: Final answer
    x = 96,198.93

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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.