Home / 178,026.40-266,855.02-111,313.38

Finding the Fourth Proportional to 178,026.40, 266,855.02 and 111,313.38

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Solution

The fourth proportional to 178,026.40, 266,855.02 and 111,313.38 is: 166,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,026.40 : 266,855.02 = 111,313.38 : x
  2. Step 2: Convert to fraction form
    178,026.40/266,855.02 = 111,313.38/x
  3. Step 3: Cross multiply
    178,026.40x = 266,855.02 × 111,313.38
  4. Step 4: Simplify right side
    178,026.40x = 29,704,533,967.88
  5. Step 5: Solve for x
    x = 29,704,533,967.88/178,026.40
  6. Step 6: Final answer
    x = 166,854.66

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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.