Home / 103,352.04-154,999.70-28,454.60

Finding the Fourth Proportional to 103,352.04, 154,999.70 and 28,454.60

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Solution

The fourth proportional to 103,352.04, 154,999.70 and 28,454.60 is: 42,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,352.04 : 154,999.70 = 28,454.60 : x
  2. Step 2: Convert to fraction form
    103,352.04/154,999.70 = 28,454.60/x
  3. Step 3: Cross multiply
    103,352.04x = 154,999.70 × 28,454.60
  4. Step 4: Simplify right side
    103,352.04x = 4,410,454,463.62
  5. Step 5: Solve for x
    x = 4,410,454,463.62/103,352.04
  6. Step 6: Final answer
    x = 42,674.09

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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.