Home / 98,889.27-148,338.02-28,768.59

Finding the Fourth Proportional to 98,889.27, 148,338.02 and 28,768.59

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Solution

The fourth proportional to 98,889.27, 148,338.02 and 28,768.59 is: 43,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,889.27 : 148,338.02 = 28,768.59 : x
  2. Step 2: Convert to fraction form
    98,889.27/148,338.02 = 28,768.59/x
  3. Step 3: Cross multiply
    98,889.27x = 148,338.02 × 28,768.59
  4. Step 4: Simplify right side
    98,889.27x = 4,267,475,534.95
  5. Step 5: Solve for x
    x = 4,267,475,534.95/98,889.27
  6. Step 6: Final answer
    x = 43,154.08

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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.