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Finding the Fourth Proportional to 104,749.60, 157,124.40 and 103,021.60

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Solution

The fourth proportional to 104,749.60, 157,124.40 and 103,021.60 is: 154,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,749.60 : 157,124.40 = 103,021.60 : x
  2. Step 2: Convert to fraction form
    104,749.60/157,124.40 = 103,021.60/x
  3. Step 3: Cross multiply
    104,749.60x = 157,124.40 × 103,021.60
  4. Step 4: Simplify right side
    104,749.60x = 16,187,207,087.04
  5. Step 5: Solve for x
    x = 16,187,207,087.04/104,749.60
  6. Step 6: Final answer
    x = 154,532.40

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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.