Home / 97,747.15-146,014.25-70,879.86

Finding the Fourth Proportional to 97,747.15, 146,014.25 and 70,879.86

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Solution

The fourth proportional to 97,747.15, 146,014.25 and 70,879.86 is: 105,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,747.15 : 146,014.25 = 70,879.86 : x
  2. Step 2: Convert to fraction form
    97,747.15/146,014.25 = 70,879.86/x
  3. Step 3: Cross multiply
    97,747.15x = 146,014.25 × 70,879.86
  4. Step 4: Simplify right side
    97,747.15x = 10,349,469,598.01
  5. Step 5: Solve for x
    x = 10,349,469,598.01/97,747.15
  6. Step 6: Final answer
    x = 105,880.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.