Home / 115,033.28-158,775.48-89,533.76

Finding the Fourth Proportional to 115,033.28, 158,775.48 and 89,533.76

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Solution

The fourth proportional to 115,033.28, 158,775.48 and 89,533.76 is: 123,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,033.28 : 158,775.48 = 89,533.76 : x
  2. Step 2: Convert to fraction form
    115,033.28/158,775.48 = 89,533.76/x
  3. Step 3: Cross multiply
    115,033.28x = 158,775.48 × 89,533.76
  4. Step 4: Simplify right side
    115,033.28x = 14,215,765,720.20
  5. Step 5: Solve for x
    x = 14,215,765,720.20/115,033.28
  6. Step 6: Final answer
    x = 123,579.59

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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.