Home / 162,298.91-223,968.30-90,679.43

Finding the Fourth Proportional to 162,298.91, 223,968.30 and 90,679.43

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Solution

The fourth proportional to 162,298.91, 223,968.30 and 90,679.43 is: 125,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,298.91 : 223,968.30 = 90,679.43 : x
  2. Step 2: Convert to fraction form
    162,298.91/223,968.30 = 90,679.43/x
  3. Step 3: Cross multiply
    162,298.91x = 223,968.30 × 90,679.43
  4. Step 4: Simplify right side
    162,298.91x = 20,309,317,782.07
  5. Step 5: Solve for x
    x = 20,309,317,782.07/162,298.91
  6. Step 6: Final answer
    x = 125,135.27

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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.