Home / 131,907.37-197,816.23-43,138.93

Finding the Fourth Proportional to 131,907.37, 197,816.23 and 43,138.93

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Solution

The fourth proportional to 131,907.37, 197,816.23 and 43,138.93 is: 64,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,907.37 : 197,816.23 = 43,138.93 : x
  2. Step 2: Convert to fraction form
    131,907.37/197,816.23 = 43,138.93/x
  3. Step 3: Cross multiply
    131,907.37x = 197,816.23 × 43,138.93
  4. Step 4: Simplify right side
    131,907.37x = 8,533,580,498.83
  5. Step 5: Solve for x
    x = 8,533,580,498.83/131,907.37
  6. Step 6: Final answer
    x = 64,693.74

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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.