Home / 155,066.25-214,072.70-104,345.67

Finding the Fourth Proportional to 155,066.25, 214,072.70 and 104,345.67

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Solution

The fourth proportional to 155,066.25, 214,072.70 and 104,345.67 is: 144,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,066.25 : 214,072.70 = 104,345.67 : x
  2. Step 2: Convert to fraction form
    155,066.25/214,072.70 = 104,345.67/x
  3. Step 3: Cross multiply
    155,066.25x = 214,072.70 × 104,345.67
  4. Step 4: Simplify right side
    155,066.25x = 22,337,558,680.57
  5. Step 5: Solve for x
    x = 22,337,558,680.57/155,066.25
  6. Step 6: Final answer
    x = 144,051.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.