Home / 170,084.09-234,701.67-100,222.31

Finding the Fourth Proportional to 170,084.09, 234,701.67 and 100,222.31

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Solution

The fourth proportional to 170,084.09, 234,701.67 and 100,222.31 is: 138,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,084.09 : 234,701.67 = 100,222.31 : x
  2. Step 2: Convert to fraction form
    170,084.09/234,701.67 = 100,222.31/x
  3. Step 3: Cross multiply
    170,084.09x = 234,701.67 × 100,222.31
  4. Step 4: Simplify right side
    170,084.09x = 23,522,342,354.75
  5. Step 5: Solve for x
    x = 23,522,342,354.75/170,084.09
  6. Step 6: Final answer
    x = 138,298.31

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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.