Home / 103,968.73-143,476.89-56,222.10

Finding the Fourth Proportional to 103,968.73, 143,476.89 and 56,222.10

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Solution

The fourth proportional to 103,968.73, 143,476.89 and 56,222.10 is: 77,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,968.73 : 143,476.89 = 56,222.10 : x
  2. Step 2: Convert to fraction form
    103,968.73/143,476.89 = 56,222.10/x
  3. Step 3: Cross multiply
    103,968.73x = 143,476.89 × 56,222.10
  4. Step 4: Simplify right side
    103,968.73x = 8,066,571,846.44
  5. Step 5: Solve for x
    x = 8,066,571,846.44/103,968.73
  6. Step 6: Final answer
    x = 77,586.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.