Home / 142,800.37-214,329.04-76,297.34

Finding the Fourth Proportional to 142,800.37, 214,329.04 and 76,297.34

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Solution

The fourth proportional to 142,800.37, 214,329.04 and 76,297.34 is: 114,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,800.37 : 214,329.04 = 76,297.34 : x
  2. Step 2: Convert to fraction form
    142,800.37/214,329.04 = 76,297.34/x
  3. Step 3: Cross multiply
    142,800.37x = 214,329.04 × 76,297.34
  4. Step 4: Simplify right side
    142,800.37x = 16,352,735,981.83
  5. Step 5: Solve for x
    x = 16,352,735,981.83/142,800.37
  6. Step 6: Final answer
    x = 114,514.66

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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.