Home / 209,835.06-314,845.62-109,971.50

Finding the Fourth Proportional to 209,835.06, 314,845.62 and 109,971.50

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Solution

The fourth proportional to 209,835.06, 314,845.62 and 109,971.50 is: 165,006.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,835.06 : 314,845.62 = 109,971.50 : x
  2. Step 2: Convert to fraction form
    209,835.06/314,845.62 = 109,971.50/x
  3. Step 3: Cross multiply
    209,835.06x = 314,845.62 × 109,971.50
  4. Step 4: Simplify right side
    209,835.06x = 34,624,045,099.83
  5. Step 5: Solve for x
    x = 34,624,045,099.83/209,835.06
  6. Step 6: Final answer
    x = 165,006.01

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1.5x scale

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.