Home / 145,747.06-218,620.64-112,515.64

Finding the Fourth Proportional to 145,747.06, 218,620.64 and 112,515.64

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Solution

The fourth proportional to 145,747.06, 218,620.64 and 112,515.64 is: 168,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,747.06 : 218,620.64 = 112,515.64 : x
  2. Step 2: Convert to fraction form
    145,747.06/218,620.64 = 112,515.64/x
  3. Step 3: Cross multiply
    145,747.06x = 218,620.64 × 112,515.64
  4. Step 4: Simplify right side
    145,747.06x = 24,598,241,226.81
  5. Step 5: Solve for x
    x = 24,598,241,226.81/145,747.06
  6. Step 6: Final answer
    x = 168,773.50

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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.