Home / 132,779.75-183,234.39-72,348.83

Finding the Fourth Proportional to 132,779.75, 183,234.39 and 72,348.83

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Solution

The fourth proportional to 132,779.75, 183,234.39 and 72,348.83 is: 99,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,779.75 : 183,234.39 = 72,348.83 : x
  2. Step 2: Convert to fraction form
    132,779.75/183,234.39 = 72,348.83/x
  3. Step 3: Cross multiply
    132,779.75x = 183,234.39 × 72,348.83
  4. Step 4: Simplify right side
    132,779.75x = 13,256,792,816.09
  5. Step 5: Solve for x
    x = 13,256,792,816.09/132,779.75
  6. Step 6: Final answer
    x = 99,840.48

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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.