Home / 162,239.36-223,875.72-90,609.44

Finding the Fourth Proportional to 162,239.36, 223,875.72 and 90,609.44

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Solution

The fourth proportional to 162,239.36, 223,875.72 and 90,609.44 is: 125,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,239.36 : 223,875.72 = 90,609.44 : x
  2. Step 2: Convert to fraction form
    162,239.36/223,875.72 = 90,609.44/x
  3. Step 3: Cross multiply
    162,239.36x = 223,875.72 × 90,609.44
  4. Step 4: Simplify right side
    162,239.36x = 20,285,253,618.80
  5. Step 5: Solve for x
    x = 20,285,253,618.80/162,239.36
  6. Step 6: Final answer
    x = 125,032.87

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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.