Home / 192,143.09-265,157.19-107,260.16

Finding the Fourth Proportional to 192,143.09, 265,157.19 and 107,260.16

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Solution

The fourth proportional to 192,143.09, 265,157.19 and 107,260.16 is: 148,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,143.09 : 265,157.19 = 107,260.16 : x
  2. Step 2: Convert to fraction form
    192,143.09/265,157.19 = 107,260.16/x
  3. Step 3: Cross multiply
    192,143.09x = 265,157.19 × 107,260.16
  4. Step 4: Simplify right side
    192,143.09x = 28,440,801,298.76
  5. Step 5: Solve for x
    x = 28,440,801,298.76/192,143.09
  6. Step 6: Final answer
    x = 148,018.86

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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.