Home / 158,247.67-218,407.22-90,286.81

Finding the Fourth Proportional to 158,247.67, 218,407.22 and 90,286.81

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Solution

The fourth proportional to 158,247.67, 218,407.22 and 90,286.81 is: 124,610.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,247.67 : 218,407.22 = 90,286.81 : x
  2. Step 2: Convert to fraction form
    158,247.67/218,407.22 = 90,286.81/x
  3. Step 3: Cross multiply
    158,247.67x = 218,407.22 × 90,286.81
  4. Step 4: Simplify right side
    158,247.67x = 19,719,291,174.77
  5. Step 5: Solve for x
    x = 19,719,291,174.77/158,247.67
  6. Step 6: Final answer
    x = 124,610.31

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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.