Home / 149,328.36-206,077.38-85,677.48

Finding the Fourth Proportional to 149,328.36, 206,077.38 and 85,677.48

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Solution

The fourth proportional to 149,328.36, 206,077.38 and 85,677.48 is: 118,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,328.36 : 206,077.38 = 85,677.48 : x
  2. Step 2: Convert to fraction form
    149,328.36/206,077.38 = 85,677.48/x
  3. Step 3: Cross multiply
    149,328.36x = 206,077.38 × 85,677.48
  4. Step 4: Simplify right side
    149,328.36x = 17,656,190,603.40
  5. Step 5: Solve for x
    x = 17,656,190,603.40/149,328.36
  6. Step 6: Final answer
    x = 118,237.36

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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.