Home / 158,536.44-218,808.06-120,422.16

Finding the Fourth Proportional to 158,536.44, 218,808.06 and 120,422.16

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Solution

The fourth proportional to 158,536.44, 218,808.06 and 120,422.16 is: 166,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,536.44 : 218,808.06 = 120,422.16 : x
  2. Step 2: Convert to fraction form
    158,536.44/218,808.06 = 120,422.16/x
  3. Step 3: Cross multiply
    158,536.44x = 218,808.06 × 120,422.16
  4. Step 4: Simplify right side
    158,536.44x = 26,349,339,210.61
  5. Step 5: Solve for x
    x = 26,349,339,210.61/158,536.44
  6. Step 6: Final answer
    x = 166,203.68

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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.