Home / 98,848.38-148,291.20-39,688.68

Finding the Fourth Proportional to 98,848.38, 148,291.20 and 39,688.68

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Solution

The fourth proportional to 98,848.38, 148,291.20 and 39,688.68 is: 59,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,848.38 : 148,291.20 = 39,688.68 : x
  2. Step 2: Convert to fraction form
    98,848.38/148,291.20 = 39,688.68/x
  3. Step 3: Cross multiply
    98,848.38x = 148,291.20 × 39,688.68
  4. Step 4: Simplify right side
    98,848.38x = 5,885,481,983.62
  5. Step 5: Solve for x
    x = 5,885,481,983.62/98,848.38
  6. Step 6: Final answer
    x = 59,540.50

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1.5x scale

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.