Home / 142,985.93-214,339.47-68,085.97

Finding the Fourth Proportional to 142,985.93, 214,339.47 and 68,085.97

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Solution

The fourth proportional to 142,985.93, 214,339.47 and 68,085.97 is: 102,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,985.93 : 214,339.47 = 68,085.97 : x
  2. Step 2: Convert to fraction form
    142,985.93/214,339.47 = 68,085.97/x
  3. Step 3: Cross multiply
    142,985.93x = 214,339.47 × 68,085.97
  4. Step 4: Simplify right side
    142,985.93x = 14,593,509,933.06
  5. Step 5: Solve for x
    x = 14,593,509,933.06/142,985.93
  6. Step 6: Final answer
    x = 102,062.56

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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.