Home / 98,271.90-147,432.69-39,107.34

Finding the Fourth Proportional to 98,271.90, 147,432.69 and 39,107.34

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Solution

The fourth proportional to 98,271.90, 147,432.69 and 39,107.34 is: 58,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,271.90 : 147,432.69 = 39,107.34 : x
  2. Step 2: Convert to fraction form
    98,271.90/147,432.69 = 39,107.34/x
  3. Step 3: Cross multiply
    98,271.90x = 147,432.69 × 39,107.34
  4. Step 4: Simplify right side
    98,271.90x = 5,765,700,334.94
  5. Step 5: Solve for x
    x = 5,765,700,334.94/98,271.90
  6. Step 6: Final answer
    x = 58,670.90

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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.