Home / 132,782.21-183,237.08-72,353.38

Finding the Fourth Proportional to 132,782.21, 183,237.08 and 72,353.38

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Solution

The fourth proportional to 132,782.21, 183,237.08 and 72,353.38 is: 99,846.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,782.21 : 183,237.08 = 72,353.38 : x
  2. Step 2: Convert to fraction form
    132,782.21/183,237.08 = 72,353.38/x
  3. Step 3: Cross multiply
    132,782.21x = 183,237.08 × 72,353.38
  4. Step 4: Simplify right side
    132,782.21x = 13,257,821,530.80
  5. Step 5: Solve for x
    x = 13,257,821,530.80/132,782.21
  6. Step 6: Final answer
    x = 99,846.37

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1.5x scale

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.