Home / 209,910.08-314,887.32-76,802.24

Finding the Fourth Proportional to 209,910.08, 314,887.32 and 76,802.24

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Solution

The fourth proportional to 209,910.08, 314,887.32 and 76,802.24 is: 115,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,910.08 : 314,887.32 = 76,802.24 : x
  2. Step 2: Convert to fraction form
    209,910.08/314,887.32 = 76,802.24/x
  3. Step 3: Cross multiply
    209,910.08x = 314,887.32 × 76,802.24
  4. Step 4: Simplify right side
    209,910.08x = 24,184,051,523.60
  5. Step 5: Solve for x
    x = 24,184,051,523.60/209,910.08
  6. Step 6: Final answer
    x = 115,211.48

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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.