Home / 131,285.61-196,946.64-42,510.42

Finding the Fourth Proportional to 131,285.61, 196,946.64 and 42,510.42

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Solution

The fourth proportional to 131,285.61, 196,946.64 and 42,510.42 is: 63,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,285.61 : 196,946.64 = 42,510.42 : x
  2. Step 2: Convert to fraction form
    131,285.61/196,946.64 = 42,510.42/x
  3. Step 3: Cross multiply
    131,285.61x = 196,946.64 × 42,510.42
  4. Step 4: Simplify right side
    131,285.61x = 8,372,284,383.99
  5. Step 5: Solve for x
    x = 8,372,284,383.99/131,285.61
  6. Step 6: Final answer
    x = 63,771.53

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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.