Home / 192,390.37-265,498.28-107,507.43

Finding the Fourth Proportional to 192,390.37, 265,498.28 and 107,507.43

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Solution

The fourth proportional to 192,390.37, 265,498.28 and 107,507.43 is: 148,360.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,390.37 : 265,498.28 = 107,507.43 : x
  2. Step 2: Convert to fraction form
    192,390.37/265,498.28 = 107,507.43/x
  3. Step 3: Cross multiply
    192,390.37x = 265,498.28 × 107,507.43
  4. Step 4: Simplify right side
    192,390.37x = 28,543,037,752.22
  5. Step 5: Solve for x
    x = 28,543,037,752.22/192,390.37
  6. Step 6: Final answer
    x = 148,360.01

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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.