Home / 201,635.64-278,247.06-110,989.35

Finding the Fourth Proportional to 201,635.64, 278,247.06 and 110,989.35

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Solution

The fourth proportional to 201,635.64, 278,247.06 and 110,989.35 is: 153,159.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,635.64 : 278,247.06 = 110,989.35 : x
  2. Step 2: Convert to fraction form
    201,635.64/278,247.06 = 110,989.35/x
  3. Step 3: Cross multiply
    201,635.64x = 278,247.06 × 110,989.35
  4. Step 4: Simplify right side
    201,635.64x = 30,882,460,328.81
  5. Step 5: Solve for x
    x = 30,882,460,328.81/201,635.64
  6. Step 6: Final answer
    x = 153,159.73

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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.