Home / 115,029.08-158,797.32-89,129.48

Finding the Fourth Proportional to 115,029.08, 158,797.32 and 89,129.48

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Solution

The fourth proportional to 115,029.08, 158,797.32 and 89,129.48 is: 123,043.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,029.08 : 158,797.32 = 89,129.48 : x
  2. Step 2: Convert to fraction form
    115,029.08/158,797.32 = 89,129.48/x
  3. Step 3: Cross multiply
    115,029.08x = 158,797.32 × 89,129.48
  4. Step 4: Simplify right side
    115,029.08x = 14,153,522,556.99
  5. Step 5: Solve for x
    x = 14,153,522,556.99/115,029.08
  6. Step 6: Final answer
    x = 123,043.00

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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.