Home / 111,809.50-167,291.03-66,241.67

Finding the Fourth Proportional to 111,809.50, 167,291.03 and 66,241.67

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Solution

The fourth proportional to 111,809.50, 167,291.03 and 66,241.67 is: 99,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,809.50 : 167,291.03 = 66,241.67 : x
  2. Step 2: Convert to fraction form
    111,809.50/167,291.03 = 66,241.67/x
  3. Step 3: Cross multiply
    111,809.50x = 167,291.03 × 66,241.67
  4. Step 4: Simplify right side
    111,809.50x = 11,081,637,203.22
  5. Step 5: Solve for x
    x = 11,081,637,203.22/111,809.50
  6. Step 6: Final answer
    x = 99,111.77

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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.