Home / 158,515.22-218,820.81-110,955.26

Finding the Fourth Proportional to 158,515.22, 218,820.81 and 110,955.26

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Solution

The fourth proportional to 158,515.22, 218,820.81 and 110,955.26 is: 153,167.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,515.22 : 218,820.81 = 110,955.26 : x
  2. Step 2: Convert to fraction form
    158,515.22/218,820.81 = 110,955.26/x
  3. Step 3: Cross multiply
    158,515.22x = 218,820.81 × 110,955.26
  4. Step 4: Simplify right side
    158,515.22x = 24,279,318,772.86
  5. Step 5: Solve for x
    x = 24,279,318,772.86/158,515.22
  6. Step 6: Final answer
    x = 153,167.12

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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.