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Finding the Fourth Proportional to 163,452.49, 245,192.84 and 45,123.85

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Solution

The fourth proportional to 163,452.49, 245,192.84 and 45,123.85 is: 67,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,452.49 : 245,192.84 = 45,123.85 : x
  2. Step 2: Convert to fraction form
    163,452.49/245,192.84 = 45,123.85/x
  3. Step 3: Cross multiply
    163,452.49x = 245,192.84 × 45,123.85
  4. Step 4: Simplify right side
    163,452.49x = 11,064,044,933.23
  5. Step 5: Solve for x
    x = 11,064,044,933.23/163,452.49
  6. Step 6: Final answer
    x = 67,689.67

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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.