Home / 220,166.21-303,830.58-129,525.59

Finding the Fourth Proportional to 220,166.21, 303,830.58 and 129,525.59

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Solution

The fourth proportional to 220,166.21, 303,830.58 and 129,525.59 is: 178,746.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,166.21 : 303,830.58 = 129,525.59 : x
  2. Step 2: Convert to fraction form
    220,166.21/303,830.58 = 129,525.59/x
  3. Step 3: Cross multiply
    220,166.21x = 303,830.58 × 129,525.59
  4. Step 4: Simplify right side
    220,166.21x = 39,353,833,615.39
  5. Step 5: Solve for x
    x = 39,353,833,615.39/220,166.21
  6. Step 6: Final answer
    x = 178,746.02

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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.