Home / 185,628.74-278,575.87-79,087.36

Finding the Fourth Proportional to 185,628.74, 278,575.87 and 79,087.36

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Solution

The fourth proportional to 185,628.74, 278,575.87 and 79,087.36 is: 118,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,628.74 : 278,575.87 = 79,087.36 : x
  2. Step 2: Convert to fraction form
    185,628.74/278,575.87 = 79,087.36/x
  3. Step 3: Cross multiply
    185,628.74x = 278,575.87 × 79,087.36
  4. Step 4: Simplify right side
    185,628.74x = 22,031,830,118.00
  5. Step 5: Solve for x
    x = 22,031,830,118.00/185,628.74
  6. Step 6: Final answer
    x = 118,687.60

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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.