Home / 142,718.19-214,076.67-36,103.15

Finding the Fourth Proportional to 142,718.19, 214,076.67 and 36,103.15

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Solution

The fourth proportional to 142,718.19, 214,076.67 and 36,103.15 is: 54,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,718.19 : 214,076.67 = 36,103.15 : x
  2. Step 2: Convert to fraction form
    142,718.19/214,076.67 = 36,103.15/x
  3. Step 3: Cross multiply
    142,718.19x = 214,076.67 × 36,103.15
  4. Step 4: Simplify right side
    142,718.19x = 7,728,842,128.51
  5. Step 5: Solve for x
    x = 7,728,842,128.51/142,718.19
  6. Step 6: Final answer
    x = 54,154.57

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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.