Home / 215,620.24-323,492.76-89,237.16

Finding the Fourth Proportional to 215,620.24, 323,492.76 and 89,237.16

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Solution

The fourth proportional to 215,620.24, 323,492.76 and 89,237.16 is: 133,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,620.24 : 323,492.76 = 89,237.16 : x
  2. Step 2: Convert to fraction form
    215,620.24/323,492.76 = 89,237.16/x
  3. Step 3: Cross multiply
    215,620.24x = 323,492.76 × 89,237.16
  4. Step 4: Simplify right side
    215,620.24x = 28,867,575,182.96
  5. Step 5: Solve for x
    x = 28,867,575,182.96/215,620.24
  6. Step 6: Final answer
    x = 133,881.57

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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.