Home / 266,635.18-367,956.75-145,774.54

Finding the Fourth Proportional to 266,635.18, 367,956.75 and 145,774.54

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Solution

The fourth proportional to 266,635.18, 367,956.75 and 145,774.54 is: 201,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,635.18 : 367,956.75 = 145,774.54 : x
  2. Step 2: Convert to fraction form
    266,635.18/367,956.75 = 145,774.54/x
  3. Step 3: Cross multiply
    266,635.18x = 367,956.75 × 145,774.54
  4. Step 4: Simplify right side
    266,635.18x = 53,638,725,971.15
  5. Step 5: Solve for x
    x = 53,638,725,971.15/266,635.18
  6. Step 6: Final answer
    x = 201,168.98

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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.