Home / 131,775.84-197,666.19-47,542.32

Finding the Fourth Proportional to 131,775.84, 197,666.19 and 47,542.32

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Solution

The fourth proportional to 131,775.84, 197,666.19 and 47,542.32 is: 71,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,775.84 : 197,666.19 = 47,542.32 : x
  2. Step 2: Convert to fraction form
    131,775.84/197,666.19 = 47,542.32/x
  3. Step 3: Cross multiply
    131,775.84x = 197,666.19 × 47,542.32
  4. Step 4: Simplify right side
    131,775.84x = 9,397,509,258.16
  5. Step 5: Solve for x
    x = 9,397,509,258.16/131,775.84
  6. Step 6: Final answer
    x = 71,314.36

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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.