Home / 161,994.47-223,548.05-90,372.65

Finding the Fourth Proportional to 161,994.47, 223,548.05 and 90,372.65

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Solution

The fourth proportional to 161,994.47, 223,548.05 and 90,372.65 is: 124,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,994.47 : 223,548.05 = 90,372.65 : x
  2. Step 2: Convert to fraction form
    161,994.47/223,548.05 = 90,372.65/x
  3. Step 3: Cross multiply
    161,994.47x = 223,548.05 × 90,372.65
  4. Step 4: Simplify right side
    161,994.47x = 20,202,628,111.23
  5. Step 5: Solve for x
    x = 20,202,628,111.23/161,994.47
  6. Step 6: Final answer
    x = 124,711.84

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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.