Home / 149,610.24-206,472.24-85,973.40

Finding the Fourth Proportional to 149,610.24, 206,472.24 and 85,973.40

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Solution

The fourth proportional to 149,610.24, 206,472.24 and 85,973.40 is: 118,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,610.24 : 206,472.24 = 85,973.40 : x
  2. Step 2: Convert to fraction form
    149,610.24/206,472.24 = 85,973.40/x
  3. Step 3: Cross multiply
    149,610.24x = 206,472.24 × 85,973.40
  4. Step 4: Simplify right side
    149,610.24x = 17,751,120,478.42
  5. Step 5: Solve for x
    x = 17,751,120,478.42/149,610.24
  6. Step 6: Final answer
    x = 118,649.10

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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.