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Finding the Fourth Proportional to 133,392.65, 184,074.99 and 72,951.53

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Solution

The fourth proportional to 133,392.65, 184,074.99 and 72,951.53 is: 100,669.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,392.65 : 184,074.99 = 72,951.53 : x
  2. Step 2: Convert to fraction form
    133,392.65/184,074.99 = 72,951.53/x
  3. Step 3: Cross multiply
    133,392.65x = 184,074.99 × 72,951.53
  4. Step 4: Simplify right side
    133,392.65x = 13,428,552,155.23
  5. Step 5: Solve for x
    x = 13,428,552,155.23/133,392.65
  6. Step 6: Final answer
    x = 100,669.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.