Home / 224,111.28-309,269.60-122,137.68

Finding the Fourth Proportional to 224,111.28, 309,269.60 and 122,137.68

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Solution

The fourth proportional to 224,111.28, 309,269.60 and 122,137.68 is: 168,547.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,111.28 : 309,269.60 = 122,137.68 : x
  2. Step 2: Convert to fraction form
    224,111.28/309,269.60 = 122,137.68/x
  3. Step 3: Cross multiply
    224,111.28x = 309,269.60 × 122,137.68
  4. Step 4: Simplify right side
    224,111.28x = 37,773,471,438.53
  5. Step 5: Solve for x
    x = 37,773,471,438.53/224,111.28
  6. Step 6: Final answer
    x = 168,547.84

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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.