Home / 188,522.61-260,166.18-102,487.38

Finding the Fourth Proportional to 188,522.61, 260,166.18 and 102,487.38

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Solution

The fourth proportional to 188,522.61, 260,166.18 and 102,487.38 is: 141,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,522.61 : 260,166.18 = 102,487.38 : x
  2. Step 2: Convert to fraction form
    188,522.61/260,166.18 = 102,487.38/x
  3. Step 3: Cross multiply
    188,522.61x = 260,166.18 × 102,487.38
  4. Step 4: Simplify right side
    188,522.61x = 26,663,750,152.81
  5. Step 5: Solve for x
    x = 26,663,750,152.81/188,522.61
  6. Step 6: Final answer
    x = 141,435.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.