Home / 112,044.40-168,066.60-111,388.30

Finding the Fourth Proportional to 112,044.40, 168,066.60 and 111,388.30

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Solution

The fourth proportional to 112,044.40, 168,066.60 and 111,388.30 is: 167,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,044.40 : 168,066.60 = 111,388.30 : x
  2. Step 2: Convert to fraction form
    112,044.40/168,066.60 = 111,388.30/x
  3. Step 3: Cross multiply
    112,044.40x = 168,066.60 × 111,388.30
  4. Step 4: Simplify right side
    112,044.40x = 18,720,652,860.78
  5. Step 5: Solve for x
    x = 18,720,652,860.78/112,044.40
  6. Step 6: Final answer
    x = 167,082.45

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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.