Home / 132,779.20-183,232.98-72,350.35

Finding the Fourth Proportional to 132,779.20, 183,232.98 and 72,350.35

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Solution

The fourth proportional to 132,779.20, 183,232.98 and 72,350.35 is: 99,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,779.20 : 183,232.98 = 72,350.35 : x
  2. Step 2: Convert to fraction form
    132,779.20/183,232.98 = 72,350.35/x
  3. Step 3: Cross multiply
    132,779.20x = 183,232.98 × 72,350.35
  4. Step 4: Simplify right side
    132,779.20x = 13,256,970,234.54
  5. Step 5: Solve for x
    x = 13,256,970,234.54/132,779.20
  6. Step 6: Final answer
    x = 99,842.22

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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.