Home / 125,933.73-173,735.50-83,418.45

Finding the Fourth Proportional to 125,933.73, 173,735.50 and 83,418.45

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Solution

The fourth proportional to 125,933.73, 173,735.50 and 83,418.45 is: 115,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,933.73 : 173,735.50 = 83,418.45 : x
  2. Step 2: Convert to fraction form
    125,933.73/173,735.50 = 83,418.45/x
  3. Step 3: Cross multiply
    125,933.73x = 173,735.50 × 83,418.45
  4. Step 4: Simplify right side
    125,933.73x = 14,492,746,119.98
  5. Step 5: Solve for x
    x = 14,492,746,119.98/125,933.73
  6. Step 6: Final answer
    x = 115,082.32

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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.