Home / 112,404.42-168,461.28-84,102.42

Finding the Fourth Proportional to 112,404.42, 168,461.28 and 84,102.42

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Solution

The fourth proportional to 112,404.42, 168,461.28 and 84,102.42 is: 126,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,404.42 : 168,461.28 = 84,102.42 : x
  2. Step 2: Convert to fraction form
    112,404.42/168,461.28 = 84,102.42/x
  3. Step 3: Cross multiply
    112,404.42x = 168,461.28 × 84,102.42
  4. Step 4: Simplify right side
    112,404.42x = 14,168,001,324.30
  5. Step 5: Solve for x
    x = 14,168,001,324.30/112,404.42
  6. Step 6: Final answer
    x = 126,044.88

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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.