Home / 118,045.38-162,902.64-64,330.40

Finding the Fourth Proportional to 118,045.38, 162,902.64 and 64,330.40

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Solution

The fourth proportional to 118,045.38, 162,902.64 and 64,330.40 is: 88,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045.38 : 162,902.64 = 64,330.40 : x
  2. Step 2: Convert to fraction form
    118,045.38/162,902.64 = 64,330.40/x
  3. Step 3: Cross multiply
    118,045.38x = 162,902.64 × 64,330.40
  4. Step 4: Simplify right side
    118,045.38x = 10,479,591,992.26
  5. Step 5: Solve for x
    x = 10,479,591,992.26/118,045.38
  6. Step 6: Final answer
    x = 88,775.96

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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.