Home / 91,533.44-126,251-84,004.08

Finding the Fourth Proportional to 91,533.44, 126,251 and 84,004.08

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Solution

The fourth proportional to 91,533.44, 126,251 and 84,004.08 is: 115,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,533.44 : 126,251 = 84,004.08 : x
  2. Step 2: Convert to fraction form
    91,533.44/126,251 = 84,004.08/x
  3. Step 3: Cross multiply
    91,533.44x = 126,251 × 84,004.08
  4. Step 4: Simplify right side
    91,533.44x = 10,605,599,104.08
  5. Step 5: Solve for x
    x = 10,605,599,104.08/91,533.44
  6. Step 6: Final answer
    x = 115,865.84

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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.