Home / 142,515.95-213,804.39-52,558.89

Finding the Fourth Proportional to 142,515.95, 213,804.39 and 52,558.89

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Solution

The fourth proportional to 142,515.95, 213,804.39 and 52,558.89 is: 78,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,515.95 : 213,804.39 = 52,558.89 : x
  2. Step 2: Convert to fraction form
    142,515.95/213,804.39 = 52,558.89/x
  3. Step 3: Cross multiply
    142,515.95x = 213,804.39 × 52,558.89
  4. Step 4: Simplify right side
    142,515.95x = 11,237,321,415.53
  5. Step 5: Solve for x
    x = 11,237,321,415.53/142,515.95
  6. Step 6: Final answer
    x = 78,849.57

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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.