Home / 126,515.37-174,591.38-72,799.32

Finding the Fourth Proportional to 126,515.37, 174,591.38 and 72,799.32

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Solution

The fourth proportional to 126,515.37, 174,591.38 and 72,799.32 is: 100,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,515.37 : 174,591.38 = 72,799.32 : x
  2. Step 2: Convert to fraction form
    126,515.37/174,591.38 = 72,799.32/x
  3. Step 3: Cross multiply
    126,515.37x = 174,591.38 × 72,799.32
  4. Step 4: Simplify right side
    126,515.37x = 12,710,133,377.87
  5. Step 5: Solve for x
    x = 12,710,133,377.87/126,515.37
  6. Step 6: Final answer
    x = 100,463.16

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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.