Home / 216,142.32-298,339.75-125,539.02

Finding the Fourth Proportional to 216,142.32, 298,339.75 and 125,539.02

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Solution

The fourth proportional to 216,142.32, 298,339.75 and 125,539.02 is: 173,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,142.32 : 298,339.75 = 125,539.02 : x
  2. Step 2: Convert to fraction form
    216,142.32/298,339.75 = 125,539.02/x
  3. Step 3: Cross multiply
    216,142.32x = 298,339.75 × 125,539.02
  4. Step 4: Simplify right side
    216,142.32x = 37,453,279,842.05
  5. Step 5: Solve for x
    x = 37,453,279,842.05/216,142.32
  6. Step 6: Final answer
    x = 173,280.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.