Home / 98,090.78-147,102.29-38,105.13

Finding the Fourth Proportional to 98,090.78, 147,102.29 and 38,105.13

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Solution

The fourth proportional to 98,090.78, 147,102.29 and 38,105.13 is: 57,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,090.78 : 147,102.29 = 38,105.13 : x
  2. Step 2: Convert to fraction form
    98,090.78/147,102.29 = 38,105.13/x
  3. Step 3: Cross multiply
    98,090.78x = 147,102.29 × 38,105.13
  4. Step 4: Simplify right side
    98,090.78x = 5,605,352,441.34
  5. Step 5: Solve for x
    x = 5,605,352,441.34/98,090.78
  6. Step 6: Final answer
    x = 57,144.54

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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.