Home / 163,314.18-245,012.94-79,114.68

Finding the Fourth Proportional to 163,314.18, 245,012.94 and 79,114.68

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Solution

The fourth proportional to 163,314.18, 245,012.94 and 79,114.68 is: 118,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,314.18 : 245,012.94 = 79,114.68 : x
  2. Step 2: Convert to fraction form
    163,314.18/245,012.94 = 79,114.68/x
  3. Step 3: Cross multiply
    163,314.18x = 245,012.94 × 79,114.68
  4. Step 4: Simplify right side
    163,314.18x = 19,384,120,343.96
  5. Step 5: Solve for x
    x = 19,384,120,343.96/163,314.18
  6. Step 6: Final answer
    x = 118,692.21

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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.