Home / 142,730.12-213,949.37-92,910.26

Finding the Fourth Proportional to 142,730.12, 213,949.37 and 92,910.26

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Solution

The fourth proportional to 142,730.12, 213,949.37 and 92,910.26 is: 139,270.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,730.12 : 213,949.37 = 92,910.26 : x
  2. Step 2: Convert to fraction form
    142,730.12/213,949.37 = 92,910.26/x
  3. Step 3: Cross multiply
    142,730.12x = 213,949.37 × 92,910.26
  4. Step 4: Simplify right side
    142,730.12x = 19,878,090,756.07
  5. Step 5: Solve for x
    x = 19,878,090,756.07/142,730.12
  6. Step 6: Final answer
    x = 139,270.47

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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.