Home / 98,739.45-148,025.75-39,542.67

Finding the Fourth Proportional to 98,739.45, 148,025.75 and 39,542.67

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Solution

The fourth proportional to 98,739.45, 148,025.75 and 39,542.67 is: 59,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,739.45 : 148,025.75 = 39,542.67 : x
  2. Step 2: Convert to fraction form
    98,739.45/148,025.75 = 39,542.67/x
  3. Step 3: Cross multiply
    98,739.45x = 148,025.75 × 39,542.67
  4. Step 4: Simplify right side
    98,739.45x = 5,853,333,186.04
  5. Step 5: Solve for x
    x = 5,853,333,186.04/98,739.45
  6. Step 6: Final answer
    x = 59,280.59

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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.