Home / 224,115.18-309,274.38-123,513.18

Finding the Fourth Proportional to 224,115.18, 309,274.38 and 123,513.18

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Solution

The fourth proportional to 224,115.18, 309,274.38 and 123,513.18 is: 170,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,115.18 : 309,274.38 = 123,513.18 : x
  2. Step 2: Convert to fraction form
    224,115.18/309,274.38 = 123,513.18/x
  3. Step 3: Cross multiply
    224,115.18x = 309,274.38 × 123,513.18
  4. Step 4: Simplify right side
    224,115.18x = 38,199,462,166.33
  5. Step 5: Solve for x
    x = 38,199,462,166.33/224,115.18
  6. Step 6: Final answer
    x = 170,445.67

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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.