Home / 228,974.39-315,777.80-142,941.35

Finding the Fourth Proportional to 228,974.39, 315,777.80 and 142,941.35

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Solution

The fourth proportional to 228,974.39, 315,777.80 and 142,941.35 is: 197,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,974.39 : 315,777.80 = 142,941.35 : x
  2. Step 2: Convert to fraction form
    228,974.39/315,777.80 = 142,941.35/x
  3. Step 3: Cross multiply
    228,974.39x = 315,777.80 × 142,941.35
  4. Step 4: Simplify right side
    228,974.39x = 45,137,705,106.77
  5. Step 5: Solve for x
    x = 45,137,705,106.77/228,974.39
  6. Step 6: Final answer
    x = 197,129.93

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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.