Home / 133,623.60-184,416.12-77,037

Finding the Fourth Proportional to 133,623.60, 184,416.12 and 77,037

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Solution

The fourth proportional to 133,623.60, 184,416.12 and 77,037 is: 106,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,623.60 : 184,416.12 = 77,037 : x
  2. Step 2: Convert to fraction form
    133,623.60/184,416.12 = 77,037/x
  3. Step 3: Cross multiply
    133,623.60x = 184,416.12 × 77,037
  4. Step 4: Simplify right side
    133,623.60x = 14,206,864,636.44
  5. Step 5: Solve for x
    x = 14,206,864,636.44/133,623.60
  6. Step 6: Final answer
    x = 106,320.03

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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.