Home / 190,671.03-285,917.67-70,723.17

Finding the Fourth Proportional to 190,671.03, 285,917.67 and 70,723.17

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Solution

The fourth proportional to 190,671.03, 285,917.67 and 70,723.17 is: 106,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,671.03 : 285,917.67 = 70,723.17 : x
  2. Step 2: Convert to fraction form
    190,671.03/285,917.67 = 70,723.17/x
  3. Step 3: Cross multiply
    190,671.03x = 285,917.67 × 70,723.17
  4. Step 4: Simplify right side
    190,671.03x = 20,221,003,981.41
  5. Step 5: Solve for x
    x = 20,221,003,981.41/190,671.03
  6. Step 6: Final answer
    x = 106,051.79

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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.