Home / 98,260.04-147,389.43-28,139.60

Finding the Fourth Proportional to 98,260.04, 147,389.43 and 28,139.60

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Solution

The fourth proportional to 98,260.04, 147,389.43 and 28,139.60 is: 42,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,260.04 : 147,389.43 = 28,139.60 : x
  2. Step 2: Convert to fraction form
    98,260.04/147,389.43 = 28,139.60/x
  3. Step 3: Cross multiply
    98,260.04x = 147,389.43 × 28,139.60
  4. Step 4: Simplify right side
    98,260.04x = 4,147,479,604.43
  5. Step 5: Solve for x
    x = 4,147,479,604.43/98,260.04
  6. Step 6: Final answer
    x = 42,209.22

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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.