Home / 118,582.20-163,641.69-64,865.88

Finding the Fourth Proportional to 118,582.20, 163,641.69 and 64,865.88

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Solution

The fourth proportional to 118,582.20, 163,641.69 and 64,865.88 is: 89,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,582.20 : 163,641.69 = 64,865.88 : x
  2. Step 2: Convert to fraction form
    118,582.20/163,641.69 = 64,865.88/x
  3. Step 3: Cross multiply
    118,582.20x = 163,641.69 × 64,865.88
  4. Step 4: Simplify right side
    118,582.20x = 10,614,762,226.54
  5. Step 5: Solve for x
    x = 10,614,762,226.54/118,582.20
  6. Step 6: Final answer
    x = 89,513.96

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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.