Home / 162,055.64-223,610.04-90,435.49

Finding the Fourth Proportional to 162,055.64, 223,610.04 and 90,435.49

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Solution

The fourth proportional to 162,055.64, 223,610.04 and 90,435.49 is: 124,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,055.64 : 223,610.04 = 90,435.49 : x
  2. Step 2: Convert to fraction form
    162,055.64/223,610.04 = 90,435.49/x
  3. Step 3: Cross multiply
    162,055.64x = 223,610.04 × 90,435.49
  4. Step 4: Simplify right side
    162,055.64x = 20,222,282,977.29
  5. Step 5: Solve for x
    x = 20,222,282,977.29/162,055.64
  6. Step 6: Final answer
    x = 124,786.05

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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.