Home / 104,028.90-156,043.35-79,145.70

Finding the Fourth Proportional to 104,028.90, 156,043.35 and 79,145.70

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Solution

The fourth proportional to 104,028.90, 156,043.35 and 79,145.70 is: 118,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,028.90 : 156,043.35 = 79,145.70 : x
  2. Step 2: Convert to fraction form
    104,028.90/156,043.35 = 79,145.70/x
  3. Step 3: Cross multiply
    104,028.90x = 156,043.35 × 79,145.70
  4. Step 4: Simplify right side
    104,028.90x = 12,350,160,166.10
  5. Step 5: Solve for x
    x = 12,350,160,166.10/104,028.90
  6. Step 6: Final answer
    x = 118,718.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.