Home / 158,412.44-218,606.50-90,433.16

Finding the Fourth Proportional to 158,412.44, 218,606.50 and 90,433.16

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Solution

The fourth proportional to 158,412.44, 218,606.50 and 90,433.16 is: 124,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,412.44 : 218,606.50 = 90,433.16 : x
  2. Step 2: Convert to fraction form
    158,412.44/218,606.50 = 90,433.16/x
  3. Step 3: Cross multiply
    158,412.44x = 218,606.50 × 90,433.16
  4. Step 4: Simplify right side
    158,412.44x = 19,769,276,591.54
  5. Step 5: Solve for x
    x = 19,769,276,591.54/158,412.44
  6. Step 6: Final answer
    x = 124,796.24

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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.