Home / 141,848.16-212,749.20-66,968.16

Finding the Fourth Proportional to 141,848.16, 212,749.20 and 66,968.16

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Solution

The fourth proportional to 141,848.16, 212,749.20 and 66,968.16 is: 100,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,848.16 : 212,749.20 = 66,968.16 : x
  2. Step 2: Convert to fraction form
    141,848.16/212,749.20 = 66,968.16/x
  3. Step 3: Cross multiply
    141,848.16x = 212,749.20 × 66,968.16
  4. Step 4: Simplify right side
    141,848.16x = 14,247,422,465.47
  5. Step 5: Solve for x
    x = 14,247,422,465.47/141,848.16
  6. Step 6: Final answer
    x = 100,441.36

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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.