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Finding the Fourth Proportional to 162,365.54, 223,918.86 and 135,231.71

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Solution

The fourth proportional to 162,365.54, 223,918.86 and 135,231.71 is: 186,498.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,365.54 : 223,918.86 = 135,231.71 : x
  2. Step 2: Convert to fraction form
    162,365.54/223,918.86 = 135,231.71/x
  3. Step 3: Cross multiply
    162,365.54x = 223,918.86 × 135,231.71
  4. Step 4: Simplify right side
    162,365.54x = 30,280,930,339.05
  5. Step 5: Solve for x
    x = 30,280,930,339.05/162,365.54
  6. Step 6: Final answer
    x = 186,498.50

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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.