Home / 117,869.21-162,660.18-64,154.10

Finding the Fourth Proportional to 117,869.21, 162,660.18 and 64,154.10

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Solution

The fourth proportional to 117,869.21, 162,660.18 and 64,154.10 is: 88,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,869.21 : 162,660.18 = 64,154.10 : x
  2. Step 2: Convert to fraction form
    117,869.21/162,660.18 = 64,154.10/x
  3. Step 3: Cross multiply
    117,869.21x = 162,660.18 × 64,154.10
  4. Step 4: Simplify right side
    117,869.21x = 10,435,316,640.44
  5. Step 5: Solve for x
    x = 10,435,316,640.44/117,869.21
  6. Step 6: Final answer
    x = 88,533.02

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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.