Home / 126,418.50-174,442.14-69,830.28

Finding the Fourth Proportional to 126,418.50, 174,442.14 and 69,830.28

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Solution

The fourth proportional to 126,418.50, 174,442.14 and 69,830.28 is: 96,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,418.50 : 174,442.14 = 69,830.28 : x
  2. Step 2: Convert to fraction form
    126,418.50/174,442.14 = 69,830.28/x
  3. Step 3: Cross multiply
    126,418.50x = 174,442.14 × 69,830.28
  4. Step 4: Simplify right side
    126,418.50x = 12,181,343,480.00
  5. Step 5: Solve for x
    x = 12,181,343,480.00/126,418.50
  6. Step 6: Final answer
    x = 96,357.29

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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.