Home / 115,518.04-159,399.15-64,524.28

Finding the Fourth Proportional to 115,518.04, 159,399.15 and 64,524.28

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Solution

The fourth proportional to 115,518.04, 159,399.15 and 64,524.28 is: 89,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,518.04 : 159,399.15 = 64,524.28 : x
  2. Step 2: Convert to fraction form
    115,518.04/159,399.15 = 64,524.28/x
  3. Step 3: Cross multiply
    115,518.04x = 159,399.15 × 64,524.28
  4. Step 4: Simplify right side
    115,518.04x = 10,285,115,386.36
  5. Step 5: Solve for x
    x = 10,285,115,386.36/115,518.04
  6. Step 6: Final answer
    x = 89,034.71

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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.