Home / 98,858.48-148,287.78-57,012.12

Finding the Fourth Proportional to 98,858.48, 148,287.78 and 57,012.12

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Solution

The fourth proportional to 98,858.48, 148,287.78 and 57,012.12 is: 85,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,858.48 : 148,287.78 = 57,012.12 : x
  2. Step 2: Convert to fraction form
    98,858.48/148,287.78 = 57,012.12/x
  3. Step 3: Cross multiply
    98,858.48x = 148,287.78 × 57,012.12
  4. Step 4: Simplify right side
    98,858.48x = 8,454,200,707.89
  5. Step 5: Solve for x
    x = 8,454,200,707.89/98,858.48
  6. Step 6: Final answer
    x = 85,518.22

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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.