Home / 104,020.32-155,959.76-40,800.80

Finding the Fourth Proportional to 104,020.32, 155,959.76 and 40,800.80

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Solution

The fourth proportional to 104,020.32, 155,959.76 and 40,800.80 is: 61,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,020.32 : 155,959.76 = 40,800.80 : x
  2. Step 2: Convert to fraction form
    104,020.32/155,959.76 = 40,800.80/x
  3. Step 3: Cross multiply
    104,020.32x = 155,959.76 × 40,800.80
  4. Step 4: Simplify right side
    104,020.32x = 6,363,282,975.81
  5. Step 5: Solve for x
    x = 6,363,282,975.81/104,020.32
  6. Step 6: Final answer
    x = 61,173.46

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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.