Home / 88,905.80-133,462.89-70,198.45

Finding the Fourth Proportional to 88,905.80, 133,462.89 and 70,198.45

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Solution

The fourth proportional to 88,905.80, 133,462.89 and 70,198.45 is: 105,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,905.80 : 133,462.89 = 70,198.45 : x
  2. Step 2: Convert to fraction form
    88,905.80/133,462.89 = 70,198.45/x
  3. Step 3: Cross multiply
    88,905.80x = 133,462.89 × 70,198.45
  4. Step 4: Simplify right side
    88,905.80x = 9,368,887,676.86
  5. Step 5: Solve for x
    x = 9,368,887,676.86/88,905.80
  6. Step 6: Final answer
    x = 105,379.93

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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.