Home / 172,037.63-237,329.54-121,078.64

Finding the Fourth Proportional to 172,037.63, 237,329.54 and 121,078.64

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Solution

The fourth proportional to 172,037.63, 237,329.54 and 121,078.64 is: 167,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,037.63 : 237,329.54 = 121,078.64 : x
  2. Step 2: Convert to fraction form
    172,037.63/237,329.54 = 121,078.64/x
  3. Step 3: Cross multiply
    172,037.63x = 237,329.54 × 121,078.64
  4. Step 4: Simplify right side
    172,037.63x = 28,735,537,922.96
  5. Step 5: Solve for x
    x = 28,735,537,922.96/172,037.63
  6. Step 6: Final answer
    x = 167,030.54

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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.