Home / 162,087.28-223,680.72-90,467.28

Finding the Fourth Proportional to 162,087.28, 223,680.72 and 90,467.28

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Solution

The fourth proportional to 162,087.28, 223,680.72 and 90,467.28 is: 124,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,087.28 : 223,680.72 = 90,467.28 : x
  2. Step 2: Convert to fraction form
    162,087.28/223,680.72 = 90,467.28/x
  3. Step 3: Cross multiply
    162,087.28x = 223,680.72 × 90,467.28
  4. Step 4: Simplify right side
    162,087.28x = 20,235,786,326.84
  5. Step 5: Solve for x
    x = 20,235,786,326.84/162,087.28
  6. Step 6: Final answer
    x = 124,845.00

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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.