Home / 132,617.00-183,013.80-72,189.38

Finding the Fourth Proportional to 132,617.00, 183,013.80 and 72,189.38

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Solution

The fourth proportional to 132,617.00, 183,013.80 and 72,189.38 is: 99,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,617.00 : 183,013.80 = 72,189.38 : x
  2. Step 2: Convert to fraction form
    132,617.00/183,013.80 = 72,189.38/x
  3. Step 3: Cross multiply
    132,617.00x = 183,013.80 × 72,189.38
  4. Step 4: Simplify right side
    132,617.00x = 13,211,652,940.27
  5. Step 5: Solve for x
    x = 13,211,652,940.27/132,617.00
  6. Step 6: Final answer
    x = 99,622.62

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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.