Home / 162,268.48-223,914.40-90,646.96

Finding the Fourth Proportional to 162,268.48, 223,914.40 and 90,646.96

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Solution

The fourth proportional to 162,268.48, 223,914.40 and 90,646.96 is: 125,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,268.48 : 223,914.40 = 90,646.96 : x
  2. Step 2: Convert to fraction form
    162,268.48/223,914.40 = 90,646.96/x
  3. Step 3: Cross multiply
    162,268.48x = 223,914.40 × 90,646.96
  4. Step 4: Simplify right side
    162,268.48x = 20,297,159,660.22
  5. Step 5: Solve for x
    x = 20,297,159,660.22/162,268.48
  6. Step 6: Final answer
    x = 125,083.81

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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.