Home / 142,525.37-213,850.08-89,339.24

Finding the Fourth Proportional to 142,525.37, 213,850.08 and 89,339.24

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Solution

The fourth proportional to 142,525.37, 213,850.08 and 89,339.24 is: 134,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,525.37 : 213,850.08 = 89,339.24 : x
  2. Step 2: Convert to fraction form
    142,525.37/213,850.08 = 89,339.24/x
  3. Step 3: Cross multiply
    142,525.37x = 213,850.08 × 89,339.24
  4. Step 4: Simplify right side
    142,525.37x = 19,105,203,621.14
  5. Step 5: Solve for x
    x = 19,105,203,621.14/142,525.37
  6. Step 6: Final answer
    x = 134,047.74

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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.