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Finding the Fourth Proportional to 119,348.84, 179,023.20 and 56,829.80

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Solution

The fourth proportional to 119,348.84, 179,023.20 and 56,829.80 is: 85,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,348.84 : 179,023.20 = 56,829.80 : x
  2. Step 2: Convert to fraction form
    119,348.84/179,023.20 = 56,829.80/x
  3. Step 3: Cross multiply
    119,348.84x = 179,023.20 × 56,829.80
  4. Step 4: Simplify right side
    119,348.84x = 10,173,852,651.36
  5. Step 5: Solve for x
    x = 10,173,852,651.36/119,348.84
  6. Step 6: Final answer
    x = 85,244.67

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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.