Home / 117,817.20-162,582.87-64,102.43

Finding the Fourth Proportional to 117,817.20, 162,582.87 and 64,102.43

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Solution

The fourth proportional to 117,817.20, 162,582.87 and 64,102.43 is: 88,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,817.20 : 162,582.87 = 64,102.43 : x
  2. Step 2: Convert to fraction form
    117,817.20/162,582.87 = 64,102.43/x
  3. Step 3: Cross multiply
    117,817.20x = 162,582.87 × 64,102.43
  4. Step 4: Simplify right side
    117,817.20x = 10,421,956,775.69
  5. Step 5: Solve for x
    x = 10,421,956,775.69/117,817.20
  6. Step 6: Final answer
    x = 88,458.70

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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.