Home / 119,048.57-178,578.35-30,302.85

Finding the Fourth Proportional to 119,048.57, 178,578.35 and 30,302.85

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Solution

The fourth proportional to 119,048.57, 178,578.35 and 30,302.85 is: 45,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,048.57 : 178,578.35 = 30,302.85 : x
  2. Step 2: Convert to fraction form
    119,048.57/178,578.35 = 30,302.85/x
  3. Step 3: Cross multiply
    119,048.57x = 178,578.35 × 30,302.85
  4. Step 4: Simplify right side
    119,048.57x = 5,411,432,953.30
  5. Step 5: Solve for x
    x = 5,411,432,953.30/119,048.57
  6. Step 6: Final answer
    x = 45,455.67

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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.