Home / 161,938.04-223,469.82-90,316.62

Finding the Fourth Proportional to 161,938.04, 223,469.82 and 90,316.62

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Solution

The fourth proportional to 161,938.04, 223,469.82 and 90,316.62 is: 124,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,938.04 : 223,469.82 = 90,316.62 : x
  2. Step 2: Convert to fraction form
    161,938.04/223,469.82 = 90,316.62/x
  3. Step 3: Cross multiply
    161,938.04x = 223,469.82 × 90,316.62
  4. Step 4: Simplify right side
    161,938.04x = 20,183,038,814.41
  5. Step 5: Solve for x
    x = 20,183,038,814.41/161,938.04
  6. Step 6: Final answer
    x = 124,634.33

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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.