Home / 99,581.60-149,416.32-52,823

Finding the Fourth Proportional to 99,581.60, 149,416.32 and 52,823

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Solution

The fourth proportional to 99,581.60, 149,416.32 and 52,823 is: 79,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,581.60 : 149,416.32 = 52,823 : x
  2. Step 2: Convert to fraction form
    99,581.60/149,416.32 = 52,823/x
  3. Step 3: Cross multiply
    99,581.60x = 149,416.32 × 52,823
  4. Step 4: Simplify right side
    99,581.60x = 7,892,618,271.36
  5. Step 5: Solve for x
    x = 7,892,618,271.36/99,581.60
  6. Step 6: Final answer
    x = 79,257.80

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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.