Home / 103,542.27-155,313.62-28,662.63

Finding the Fourth Proportional to 103,542.27, 155,313.62 and 28,662.63

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Solution

The fourth proportional to 103,542.27, 155,313.62 and 28,662.63 is: 42,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,542.27 : 155,313.62 = 28,662.63 : x
  2. Step 2: Convert to fraction form
    103,542.27/155,313.62 = 28,662.63/x
  3. Step 3: Cross multiply
    103,542.27x = 155,313.62 × 28,662.63
  4. Step 4: Simplify right side
    103,542.27x = 4,451,696,824.02
  5. Step 5: Solve for x
    x = 4,451,696,824.02/103,542.27
  6. Step 6: Final answer
    x = 42,994.00

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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.