Home / 145,682.07-218,522.78-45,850.98

Finding the Fourth Proportional to 145,682.07, 218,522.78 and 45,850.98

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Solution

The fourth proportional to 145,682.07, 218,522.78 and 45,850.98 is: 68,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,682.07 : 218,522.78 = 45,850.98 : x
  2. Step 2: Convert to fraction form
    145,682.07/218,522.78 = 45,850.98/x
  3. Step 3: Cross multiply
    145,682.07x = 218,522.78 × 45,850.98
  4. Step 4: Simplify right side
    145,682.07x = 10,019,484,377.47
  5. Step 5: Solve for x
    x = 10,019,484,377.47/145,682.07
  6. Step 6: Final answer
    x = 68,776.37

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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.