Home / 158,256.59-218,419.44-90,295.66

Finding the Fourth Proportional to 158,256.59, 218,419.44 and 90,295.66

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Solution

The fourth proportional to 158,256.59, 218,419.44 and 90,295.66 is: 124,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,256.59 : 218,419.44 = 90,295.66 : x
  2. Step 2: Convert to fraction form
    158,256.59/218,419.44 = 90,295.66/x
  3. Step 3: Cross multiply
    158,256.59x = 218,419.44 × 90,295.66
  4. Step 4: Simplify right side
    158,256.59x = 19,722,327,426.05
  5. Step 5: Solve for x
    x = 19,722,327,426.05/158,256.59
  6. Step 6: Final answer
    x = 124,622.48

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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.