Home / 142,539.12-213,814.44-63,638.64

Finding the Fourth Proportional to 142,539.12, 213,814.44 and 63,638.64

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Solution

The fourth proportional to 142,539.12, 213,814.44 and 63,638.64 is: 95,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,539.12 : 213,814.44 = 63,638.64 : x
  2. Step 2: Convert to fraction form
    142,539.12/213,814.44 = 63,638.64/x
  3. Step 3: Cross multiply
    142,539.12x = 213,814.44 × 63,638.64
  4. Step 4: Simplify right side
    142,539.12x = 13,606,860,173.96
  5. Step 5: Solve for x
    x = 13,606,860,173.96/142,539.12
  6. Step 6: Final answer
    x = 95,460.53

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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.