Home / 98,736.40-148,038.96-54,384

Finding the Fourth Proportional to 98,736.40, 148,038.96 and 54,384

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Solution

The fourth proportional to 98,736.40, 148,038.96 and 54,384 is: 81,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,736.40 : 148,038.96 = 54,384 : x
  2. Step 2: Convert to fraction form
    98,736.40/148,038.96 = 54,384/x
  3. Step 3: Cross multiply
    98,736.40x = 148,038.96 × 54,384
  4. Step 4: Simplify right side
    98,736.40x = 8,050,950,800.64
  5. Step 5: Solve for x
    x = 8,050,950,800.64/98,736.40
  6. Step 6: Final answer
    x = 81,539.85

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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.