Home / 145,234.16-218,037.83-111,975.36

Finding the Fourth Proportional to 145,234.16, 218,037.83 and 111,975.36

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Solution

The fourth proportional to 145,234.16, 218,037.83 and 111,975.36 is: 168,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,234.16 : 218,037.83 = 111,975.36 : x
  2. Step 2: Convert to fraction form
    145,234.16/218,037.83 = 111,975.36/x
  3. Step 3: Cross multiply
    145,234.16x = 218,037.83 × 111,975.36
  4. Step 4: Simplify right side
    145,234.16x = 24,414,864,356.81
  5. Step 5: Solve for x
    x = 24,414,864,356.81/145,234.16
  6. Step 6: Final answer
    x = 168,106.89

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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.