Home / 178,733.40-268,106.52-89,938.56

Finding the Fourth Proportional to 178,733.40, 268,106.52 and 89,938.56

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Solution

The fourth proportional to 178,733.40, 268,106.52 and 89,938.56 is: 134,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,733.40 : 268,106.52 = 89,938.56 : x
  2. Step 2: Convert to fraction form
    178,733.40/268,106.52 = 89,938.56/x
  3. Step 3: Cross multiply
    178,733.40x = 268,106.52 × 89,938.56
  4. Step 4: Simplify right side
    178,733.40x = 24,113,114,335.41
  5. Step 5: Solve for x
    x = 24,113,114,335.41/178,733.40
  6. Step 6: Final answer
    x = 134,911.07

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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.