Home / 158,226.51-218,350.89-90,241.74

Finding the Fourth Proportional to 158,226.51, 218,350.89 and 90,241.74

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Solution

The fourth proportional to 158,226.51, 218,350.89 and 90,241.74 is: 124,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,226.51 : 218,350.89 = 90,241.74 : x
  2. Step 2: Convert to fraction form
    158,226.51/218,350.89 = 90,241.74/x
  3. Step 3: Cross multiply
    158,226.51x = 218,350.89 × 90,241.74
  4. Step 4: Simplify right side
    158,226.51x = 19,704,364,244.15
  5. Step 5: Solve for x
    x = 19,704,364,244.15/158,226.51
  6. Step 6: Final answer
    x = 124,532.64

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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.