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Finding the Fourth Proportional to 112,029.60, 168,044.40 and 102,698.40

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Solution

The fourth proportional to 112,029.60, 168,044.40 and 102,698.40 is: 154,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,029.60 : 168,044.40 = 102,698.40 : x
  2. Step 2: Convert to fraction form
    112,029.60/168,044.40 = 102,698.40/x
  3. Step 3: Cross multiply
    112,029.60x = 168,044.40 × 102,698.40
  4. Step 4: Simplify right side
    112,029.60x = 17,257,891,008.96
  5. Step 5: Solve for x
    x = 17,257,891,008.96/112,029.60
  6. Step 6: Final answer
    x = 154,047.60

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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.