Home / 172,258.22-258,387.74-52,316.26

Finding the Fourth Proportional to 172,258.22, 258,387.74 and 52,316.26

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Solution

The fourth proportional to 172,258.22, 258,387.74 and 52,316.26 is: 78,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,258.22 : 258,387.74 = 52,316.26 : x
  2. Step 2: Convert to fraction form
    172,258.22/258,387.74 = 52,316.26/x
  3. Step 3: Cross multiply
    172,258.22x = 258,387.74 × 52,316.26
  4. Step 4: Simplify right side
    172,258.22x = 13,517,880,186.65
  5. Step 5: Solve for x
    x = 13,517,880,186.65/172,258.22
  6. Step 6: Final answer
    x = 78,474.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.