Home / 131,554.98-197,349.88-42,778.56

Finding the Fourth Proportional to 131,554.98, 197,349.88 and 42,778.56

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Solution

The fourth proportional to 131,554.98, 197,349.88 and 42,778.56 is: 64,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,554.98 : 197,349.88 = 42,778.56 : x
  2. Step 2: Convert to fraction form
    131,554.98/197,349.88 = 42,778.56/x
  3. Step 3: Cross multiply
    131,554.98x = 197,349.88 × 42,778.56
  4. Step 4: Simplify right side
    131,554.98x = 8,442,343,682.57
  5. Step 5: Solve for x
    x = 8,442,343,682.57/131,554.98
  6. Step 6: Final answer
    x = 64,173.50

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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.