Home / 277,096.60-415,688.46-90,064.36

Finding the Fourth Proportional to 277,096.60, 415,688.46 and 90,064.36

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Solution

The fourth proportional to 277,096.60, 415,688.46 and 90,064.36 is: 135,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,096.60 : 415,688.46 = 90,064.36 : x
  2. Step 2: Convert to fraction form
    277,096.60/415,688.46 = 90,064.36/x
  3. Step 3: Cross multiply
    277,096.60x = 415,688.46 × 90,064.36
  4. Step 4: Simplify right side
    277,096.60x = 37,438,715,109.29
  5. Step 5: Solve for x
    x = 37,438,715,109.29/277,096.60
  6. Step 6: Final answer
    x = 135,110.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.