Home / 98,685.40-148,027.92-28,564.60

Finding the Fourth Proportional to 98,685.40, 148,027.92 and 28,564.60

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Solution

The fourth proportional to 98,685.40, 148,027.92 and 28,564.60 is: 42,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,685.40 : 148,027.92 = 28,564.60 : x
  2. Step 2: Convert to fraction form
    98,685.40/148,027.92 = 28,564.60/x
  3. Step 3: Cross multiply
    98,685.40x = 148,027.92 × 28,564.60
  4. Step 4: Simplify right side
    98,685.40x = 4,228,358,323.63
  5. Step 5: Solve for x
    x = 4,228,358,323.63/98,685.40
  6. Step 6: Final answer
    x = 42,846.85

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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.