Home / 245,986.44-368,833.86-85,985.52

Finding the Fourth Proportional to 245,986.44, 368,833.86 and 85,985.52

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Solution

The fourth proportional to 245,986.44, 368,833.86 and 85,985.52 is: 128,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,986.44 : 368,833.86 = 85,985.52 : x
  2. Step 2: Convert to fraction form
    245,986.44/368,833.86 = 85,985.52/x
  3. Step 3: Cross multiply
    245,986.44x = 368,833.86 × 85,985.52
  4. Step 4: Simplify right side
    245,986.44x = 31,714,371,245.71
  5. Step 5: Solve for x
    x = 31,714,371,245.71/245,986.44
  6. Step 6: Final answer
    x = 128,927.32

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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.