Home / 231,595.65-347,492.82-89,540.70

Finding the Fourth Proportional to 231,595.65, 347,492.82 and 89,540.70

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Solution

The fourth proportional to 231,595.65, 347,492.82 and 89,540.70 is: 134,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,595.65 : 347,492.82 = 89,540.70 : x
  2. Step 2: Convert to fraction form
    231,595.65/347,492.82 = 89,540.70/x
  3. Step 3: Cross multiply
    231,595.65x = 347,492.82 × 89,540.70
  4. Step 4: Simplify right side
    231,595.65x = 31,114,750,347.77
  5. Step 5: Solve for x
    x = 31,114,750,347.77/231,595.65
  6. Step 6: Final answer
    x = 134,349.46

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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.