Home / 126,533.64-174,616.71-69,945

Finding the Fourth Proportional to 126,533.64, 174,616.71 and 69,945

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Solution

The fourth proportional to 126,533.64, 174,616.71 and 69,945 is: 96,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,533.64 : 174,616.71 = 69,945 : x
  2. Step 2: Convert to fraction form
    126,533.64/174,616.71 = 69,945/x
  3. Step 3: Cross multiply
    126,533.64x = 174,616.71 × 69,945
  4. Step 4: Simplify right side
    126,533.64x = 12,213,565,780.95
  5. Step 5: Solve for x
    x = 12,213,565,780.95/126,533.64
  6. Step 6: Final answer
    x = 96,524.26

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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.