Home / 162,316.14-223,995.78-90,696.21

Finding the Fourth Proportional to 162,316.14, 223,995.78 and 90,696.21

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Solution

The fourth proportional to 162,316.14, 223,995.78 and 90,696.21 is: 125,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,316.14 : 223,995.78 = 90,696.21 : x
  2. Step 2: Convert to fraction form
    162,316.14/223,995.78 = 90,696.21/x
  3. Step 3: Cross multiply
    162,316.14x = 223,995.78 × 90,696.21
  4. Step 4: Simplify right side
    162,316.14x = 20,315,568,301.99
  5. Step 5: Solve for x
    x = 20,315,568,301.99/162,316.14
  6. Step 6: Final answer
    x = 125,160.49

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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.