Home / 126,340.54-174,349.45-69,751.51

Finding the Fourth Proportional to 126,340.54, 174,349.45 and 69,751.51

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Solution

The fourth proportional to 126,340.54, 174,349.45 and 69,751.51 is: 96,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,340.54 : 174,349.45 = 69,751.51 : x
  2. Step 2: Convert to fraction form
    126,340.54/174,349.45 = 69,751.51/x
  3. Step 3: Cross multiply
    126,340.54x = 174,349.45 × 69,751.51
  4. Step 4: Simplify right side
    126,340.54x = 12,161,137,405.17
  5. Step 5: Solve for x
    x = 12,161,137,405.17/126,340.54
  6. Step 6: Final answer
    x = 96,256.81

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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.