Home / 179,036.70-268,543.53-54,378.78

Finding the Fourth Proportional to 179,036.70, 268,543.53 and 54,378.78

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Solution

The fourth proportional to 179,036.70, 268,543.53 and 54,378.78 is: 81,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,036.70 : 268,543.53 = 54,378.78 : x
  2. Step 2: Convert to fraction form
    179,036.70/268,543.53 = 54,378.78/x
  3. Step 3: Cross multiply
    179,036.70x = 268,543.53 × 54,378.78
  4. Step 4: Simplify right side
    179,036.70x = 14,603,069,538.29
  5. Step 5: Solve for x
    x = 14,603,069,538.29/179,036.70
  6. Step 6: Final answer
    x = 81,564.67

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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.