Home / 126,509.08-174,583.06-69,149.56

Finding the Fourth Proportional to 126,509.08, 174,583.06 and 69,149.56

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Solution

The fourth proportional to 126,509.08, 174,583.06 and 69,149.56 is: 95,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,509.08 : 174,583.06 = 69,149.56 : x
  2. Step 2: Convert to fraction form
    126,509.08/174,583.06 = 69,149.56/x
  3. Step 3: Cross multiply
    126,509.08x = 174,583.06 × 69,149.56
  4. Step 4: Simplify right side
    126,509.08x = 12,072,341,782.45
  5. Step 5: Solve for x
    x = 12,072,341,782.45/126,509.08
  6. Step 6: Final answer
    x = 95,426.68

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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.