Home / 145,078.29-200,037.60-122,377.23

Finding the Fourth Proportional to 145,078.29, 200,037.60 and 122,377.23

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Solution

The fourth proportional to 145,078.29, 200,037.60 and 122,377.23 is: 168,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,078.29 : 200,037.60 = 122,377.23 : x
  2. Step 2: Convert to fraction form
    145,078.29/200,037.60 = 122,377.23/x
  3. Step 3: Cross multiply
    145,078.29x = 200,037.60 × 122,377.23
  4. Step 4: Simplify right side
    145,078.29x = 24,480,047,383.85
  5. Step 5: Solve for x
    x = 24,480,047,383.85/145,078.29
  6. Step 6: Final answer
    x = 168,736.81

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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.