Home / 148,915.90-223,546.65-89,818.30

Finding the Fourth Proportional to 148,915.90, 223,546.65 and 89,818.30

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Solution

The fourth proportional to 148,915.90, 223,546.65 and 89,818.30 is: 134,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,915.90 : 223,546.65 = 89,818.30 : x
  2. Step 2: Convert to fraction form
    148,915.90/223,546.65 = 89,818.30/x
  3. Step 3: Cross multiply
    148,915.90x = 223,546.65 × 89,818.30
  4. Step 4: Simplify right side
    148,915.90x = 20,078,580,073.70
  5. Step 5: Solve for x
    x = 20,078,580,073.70/148,915.90
  6. Step 6: Final answer
    x = 134,831.67

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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.