Home / 132,809.83-183,272.21-72,379.17

Finding the Fourth Proportional to 132,809.83, 183,272.21 and 72,379.17

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Solution

The fourth proportional to 132,809.83, 183,272.21 and 72,379.17 is: 99,880.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,809.83 : 183,272.21 = 72,379.17 : x
  2. Step 2: Convert to fraction form
    132,809.83/183,272.21 = 72,379.17/x
  3. Step 3: Cross multiply
    132,809.83x = 183,272.21 × 72,379.17
  4. Step 4: Simplify right side
    132,809.83x = 13,265,089,527.50
  5. Step 5: Solve for x
    x = 13,265,089,527.50/132,809.83
  6. Step 6: Final answer
    x = 99,880.33

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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.