Home / 151,568.42-209,009.58-100,563.26

Finding the Fourth Proportional to 151,568.42, 209,009.58 and 100,563.26

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Solution

The fourth proportional to 151,568.42, 209,009.58 and 100,563.26 is: 138,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,568.42 : 209,009.58 = 100,563.26 : x
  2. Step 2: Convert to fraction form
    151,568.42/209,009.58 = 100,563.26/x
  3. Step 3: Cross multiply
    151,568.42x = 209,009.58 × 100,563.26
  4. Step 4: Simplify right side
    151,568.42x = 21,018,684,736.03
  5. Step 5: Solve for x
    x = 21,018,684,736.03/151,568.42
  6. Step 6: Final answer
    x = 138,674.57

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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.