Home / 162,180.23-223,808.64-90,560.21

Finding the Fourth Proportional to 162,180.23, 223,808.64 and 90,560.21

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Solution

The fourth proportional to 162,180.23, 223,808.64 and 90,560.21 is: 124,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,180.23 : 223,808.64 = 90,560.21 : x
  2. Step 2: Convert to fraction form
    162,180.23/223,808.64 = 90,560.21/x
  3. Step 3: Cross multiply
    162,180.23x = 223,808.64 × 90,560.21
  4. Step 4: Simplify right side
    162,180.23x = 20,268,157,438.21
  5. Step 5: Solve for x
    x = 20,268,157,438.21/162,180.23
  6. Step 6: Final answer
    x = 124,973.05

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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.