Home / 161,725.32-223,180.38-90,106.20

Finding the Fourth Proportional to 161,725.32, 223,180.38 and 90,106.20

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Solution

The fourth proportional to 161,725.32, 223,180.38 and 90,106.20 is: 124,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,725.32 : 223,180.38 = 90,106.20 : x
  2. Step 2: Convert to fraction form
    161,725.32/223,180.38 = 90,106.20/x
  3. Step 3: Cross multiply
    161,725.32x = 223,180.38 × 90,106.20
  4. Step 4: Simplify right side
    161,725.32x = 20,109,935,956.36
  5. Step 5: Solve for x
    x = 20,109,935,956.36/161,725.32
  6. Step 6: Final answer
    x = 124,346.24

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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.