Home / 148,697.26-205,175.74-84,166.18

Finding the Fourth Proportional to 148,697.26, 205,175.74 and 84,166.18

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Solution

The fourth proportional to 148,697.26, 205,175.74 and 84,166.18 is: 116,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,697.26 : 205,175.74 = 84,166.18 : x
  2. Step 2: Convert to fraction form
    148,697.26/205,175.74 = 84,166.18/x
  3. Step 3: Cross multiply
    148,697.26x = 205,175.74 × 84,166.18
  4. Step 4: Simplify right side
    148,697.26x = 17,268,858,264.47
  5. Step 5: Solve for x
    x = 17,268,858,264.47/148,697.26
  6. Step 6: Final answer
    x = 116,134.34

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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.