Home / 197,938.72-273,281.75-130,076.11

Finding the Fourth Proportional to 197,938.72, 273,281.75 and 130,076.11

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Solution

The fourth proportional to 197,938.72, 273,281.75 and 130,076.11 is: 179,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,938.72 : 273,281.75 = 130,076.11 : x
  2. Step 2: Convert to fraction form
    197,938.72/273,281.75 = 130,076.11/x
  3. Step 3: Cross multiply
    197,938.72x = 273,281.75 × 130,076.11
  4. Step 4: Simplify right side
    197,938.72x = 35,547,426,973.99
  5. Step 5: Solve for x
    x = 35,547,426,973.99/197,938.72
  6. Step 6: Final answer
    x = 179,588.04

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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.