Home / 222,259.46-306,706.29-121,638.02

Finding the Fourth Proportional to 222,259.46, 306,706.29 and 121,638.02

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Solution

The fourth proportional to 222,259.46, 306,706.29 and 121,638.02 is: 167,854.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,259.46 : 306,706.29 = 121,638.02 : x
  2. Step 2: Convert to fraction form
    222,259.46/306,706.29 = 121,638.02/x
  3. Step 3: Cross multiply
    222,259.46x = 306,706.29 × 121,638.02
  4. Step 4: Simplify right side
    222,259.46x = 37,307,145,837.15
  5. Step 5: Solve for x
    x = 37,307,145,837.15/222,259.46
  6. Step 6: Final answer
    x = 167,854.03

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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.