Home / 131,775.09-197,665.07-47,541.57

Finding the Fourth Proportional to 131,775.09, 197,665.07 and 47,541.57

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Solution

The fourth proportional to 131,775.09, 197,665.07 and 47,541.57 is: 71,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,775.09 : 197,665.07 = 47,541.57 : x
  2. Step 2: Convert to fraction form
    131,775.09/197,665.07 = 47,541.57/x
  3. Step 3: Cross multiply
    131,775.09x = 197,665.07 × 47,541.57
  4. Step 4: Simplify right side
    131,775.09x = 9,397,308,256.12
  5. Step 5: Solve for x
    x = 9,397,308,256.12/131,775.09
  6. Step 6: Final answer
    x = 71,313.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.