Home / 162,233.40-223,890.84-90,615

Finding the Fourth Proportional to 162,233.40, 223,890.84 and 90,615

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Solution

The fourth proportional to 162,233.40, 223,890.84 and 90,615 is: 125,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,233.40 : 223,890.84 = 90,615 : x
  2. Step 2: Convert to fraction form
    162,233.40/223,890.84 = 90,615/x
  3. Step 3: Cross multiply
    162,233.40x = 223,890.84 × 90,615
  4. Step 4: Simplify right side
    162,233.40x = 20,287,868,466.60
  5. Step 5: Solve for x
    x = 20,287,868,466.60/162,233.40
  6. Step 6: Final answer
    x = 125,053.59

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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.