Home / 158,297.67-218,451.14-85,701.33

Finding the Fourth Proportional to 158,297.67, 218,451.14 and 85,701.33

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Solution

The fourth proportional to 158,297.67, 218,451.14 and 85,701.33 is: 118,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,297.67 : 218,451.14 = 85,701.33 : x
  2. Step 2: Convert to fraction form
    158,297.67/218,451.14 = 85,701.33/x
  3. Step 3: Cross multiply
    158,297.67x = 218,451.14 × 85,701.33
  4. Step 4: Simplify right side
    158,297.67x = 18,721,553,238.02
  5. Step 5: Solve for x
    x = 18,721,553,238.02/158,297.67
  6. Step 6: Final answer
    x = 118,268.03

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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.