Home / 209,820.22-314,823.36-109,956.67

Finding the Fourth Proportional to 209,820.22, 314,823.36 and 109,956.67

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Solution

The fourth proportional to 209,820.22, 314,823.36 and 109,956.67 is: 164,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,820.22 : 314,823.36 = 109,956.67 : x
  2. Step 2: Convert to fraction form
    209,820.22/314,823.36 = 109,956.67/x
  3. Step 3: Cross multiply
    209,820.22x = 314,823.36 × 109,956.67
  4. Step 4: Simplify right side
    209,820.22x = 34,616,928,303.81
  5. Step 5: Solve for x
    x = 34,616,928,303.81/209,820.22
  6. Step 6: Final answer
    x = 164,983.76

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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.