Home / 245,772.36-368,068.05-140,271.48

Finding the Fourth Proportional to 245,772.36, 368,068.05 and 140,271.48

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Solution

The fourth proportional to 245,772.36, 368,068.05 and 140,271.48 is: 210,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,772.36 : 368,068.05 = 140,271.48 : x
  2. Step 2: Convert to fraction form
    245,772.36/368,068.05 = 140,271.48/x
  3. Step 3: Cross multiply
    245,772.36x = 368,068.05 × 140,271.48
  4. Step 4: Simplify right side
    245,772.36x = 51,629,450,114.21
  5. Step 5: Solve for x
    x = 51,629,450,114.21/245,772.36
  6. Step 6: Final answer
    x = 210,070.21

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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.