Home / 152,683.18-228,994.63-51,471.21

Finding the Fourth Proportional to 152,683.18, 228,994.63 and 51,471.21

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Solution

The fourth proportional to 152,683.18, 228,994.63 and 51,471.21 is: 77,196.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,683.18 : 228,994.63 = 51,471.21 : x
  2. Step 2: Convert to fraction form
    152,683.18/228,994.63 = 51,471.21/x
  3. Step 3: Cross multiply
    152,683.18x = 228,994.63 × 51,471.21
  4. Step 4: Simplify right side
    152,683.18x = 11,786,631,419.65
  5. Step 5: Solve for x
    x = 11,786,631,419.65/152,683.18
  6. Step 6: Final answer
    x = 77,196.66

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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.