Home / 149,719.13-206,647.15-98,741.07

Finding the Fourth Proportional to 149,719.13, 206,647.15 and 98,741.07

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Solution

The fourth proportional to 149,719.13, 206,647.15 and 98,741.07 is: 136,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,719.13 : 206,647.15 = 98,741.07 : x
  2. Step 2: Convert to fraction form
    149,719.13/206,647.15 = 98,741.07/x
  3. Step 3: Cross multiply
    149,719.13x = 206,647.15 × 98,741.07
  4. Step 4: Simplify right side
    149,719.13x = 20,404,560,703.45
  5. Step 5: Solve for x
    x = 20,404,560,703.45/149,719.13
  6. Step 6: Final answer
    x = 136,285.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.