Home / 131,185.07-196,783.75-42,445.52

Finding the Fourth Proportional to 131,185.07, 196,783.75 and 42,445.52

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Solution

The fourth proportional to 131,185.07, 196,783.75 and 42,445.52 is: 63,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,185.07 : 196,783.75 = 42,445.52 : x
  2. Step 2: Convert to fraction form
    131,185.07/196,783.75 = 42,445.52/x
  3. Step 3: Cross multiply
    131,185.07x = 196,783.75 × 42,445.52
  4. Step 4: Simplify right side
    131,185.07x = 8,352,588,596.30
  5. Step 5: Solve for x
    x = 8,352,588,596.30/131,185.07
  6. Step 6: Final answer
    x = 63,670.27

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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.