Home / 185,970.60-278,940.04-73,620.28

Finding the Fourth Proportional to 185,970.60, 278,940.04 and 73,620.28

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Solution

The fourth proportional to 185,970.60, 278,940.04 and 73,620.28 is: 110,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,970.60 : 278,940.04 = 73,620.28 : x
  2. Step 2: Convert to fraction form
    185,970.60/278,940.04 = 73,620.28/x
  3. Step 3: Cross multiply
    185,970.60x = 278,940.04 × 73,620.28
  4. Step 4: Simplify right side
    185,970.60x = 20,535,643,848.01
  5. Step 5: Solve for x
    x = 20,535,643,848.01/185,970.60
  6. Step 6: Final answer
    x = 110,424.14

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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.