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Finding the Fourth Proportional to 133,549.50, 184,297.68 and 72,295.74

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Solution

The fourth proportional to 133,549.50, 184,297.68 and 72,295.74 is: 99,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,549.50 : 184,297.68 = 72,295.74 : x
  2. Step 2: Convert to fraction form
    133,549.50/184,297.68 = 72,295.74/x
  3. Step 3: Cross multiply
    133,549.50x = 184,297.68 × 72,295.74
  4. Step 4: Simplify right side
    133,549.50x = 13,323,937,155.88
  5. Step 5: Solve for x
    x = 13,323,937,155.88/133,549.50
  6. Step 6: Final answer
    x = 99,767.78

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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.