Home / 115,766.48-159,583.56-90,572.24

Finding the Fourth Proportional to 115,766.48, 159,583.56 and 90,572.24

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Solution

The fourth proportional to 115,766.48, 159,583.56 and 90,572.24 is: 124,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,766.48 : 159,583.56 = 90,572.24 : x
  2. Step 2: Convert to fraction form
    115,766.48/159,583.56 = 90,572.24/x
  3. Step 3: Cross multiply
    115,766.48x = 159,583.56 × 90,572.24
  4. Step 4: Simplify right side
    115,766.48x = 14,453,840,496.37
  5. Step 5: Solve for x
    x = 14,453,840,496.37/115,766.48
  6. Step 6: Final answer
    x = 124,853.42

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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.