Home / 98,342.25-147,513.78-36,012.75

Finding the Fourth Proportional to 98,342.25, 147,513.78 and 36,012.75

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Solution

The fourth proportional to 98,342.25, 147,513.78 and 36,012.75 is: 54,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,342.25 : 147,513.78 = 36,012.75 : x
  2. Step 2: Convert to fraction form
    98,342.25/147,513.78 = 36,012.75/x
  3. Step 3: Cross multiply
    98,342.25x = 147,513.78 × 36,012.75
  4. Step 4: Simplify right side
    98,342.25x = 5,312,376,880.70
  5. Step 5: Solve for x
    x = 5,312,376,880.70/98,342.25
  6. Step 6: Final answer
    x = 54,019.27

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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.