Home / 185,749.28-278,620.93-73,430.54

Finding the Fourth Proportional to 185,749.28, 278,620.93 and 73,430.54

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Solution

The fourth proportional to 185,749.28, 278,620.93 and 73,430.54 is: 110,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,749.28 : 278,620.93 = 73,430.54 : x
  2. Step 2: Convert to fraction form
    185,749.28/278,620.93 = 73,430.54/x
  3. Step 3: Cross multiply
    185,749.28x = 278,620.93 × 73,430.54
  4. Step 4: Simplify right side
    185,749.28x = 20,459,285,088.71
  5. Step 5: Solve for x
    x = 20,459,285,088.71/185,749.28
  6. Step 6: Final answer
    x = 110,144.63

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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.