Home / 98,028.80-147,140.40-48,165.20

Finding the Fourth Proportional to 98,028.80, 147,140.40 and 48,165.20

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Solution

The fourth proportional to 98,028.80, 147,140.40 and 48,165.20 is: 72,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,028.80 : 147,140.40 = 48,165.20 : x
  2. Step 2: Convert to fraction form
    98,028.80/147,140.40 = 48,165.20/x
  3. Step 3: Cross multiply
    98,028.80x = 147,140.40 × 48,165.20
  4. Step 4: Simplify right side
    98,028.80x = 7,087,046,794.08
  5. Step 5: Solve for x
    x = 7,087,046,794.08/98,028.80
  6. Step 6: Final answer
    x = 72,295.56

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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.