Home / 152,391.06-210,311.51-84,414.36

Finding the Fourth Proportional to 152,391.06, 210,311.51 and 84,414.36

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Solution

The fourth proportional to 152,391.06, 210,311.51 and 84,414.36 is: 116,498.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,391.06 : 210,311.51 = 84,414.36 : x
  2. Step 2: Convert to fraction form
    152,391.06/210,311.51 = 84,414.36/x
  3. Step 3: Cross multiply
    152,391.06x = 210,311.51 × 84,414.36
  4. Step 4: Simplify right side
    152,391.06x = 17,753,311,517.28
  5. Step 5: Solve for x
    x = 17,753,311,517.28/152,391.06
  6. Step 6: Final answer
    x = 116,498.38

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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.