Home / 147,920.58-204,132.15-80,852.58

Finding the Fourth Proportional to 147,920.58, 204,132.15 and 80,852.58

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Solution

The fourth proportional to 147,920.58, 204,132.15 and 80,852.58 is: 111,577.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,920.58 : 204,132.15 = 80,852.58 : x
  2. Step 2: Convert to fraction form
    147,920.58/204,132.15 = 80,852.58/x
  3. Step 3: Cross multiply
    147,920.58x = 204,132.15 × 80,852.58
  4. Step 4: Simplify right side
    147,920.58x = 16,504,610,988.45
  5. Step 5: Solve for x
    x = 16,504,610,988.45/147,920.58
  6. Step 6: Final answer
    x = 111,577.52

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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.