Home / 152,418.25-210,334.35-84,433.72

Finding the Fourth Proportional to 152,418.25, 210,334.35 and 84,433.72

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Solution

The fourth proportional to 152,418.25, 210,334.35 and 84,433.72 is: 116,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,418.25 : 210,334.35 = 84,433.72 : x
  2. Step 2: Convert to fraction form
    152,418.25/210,334.35 = 84,433.72/x
  3. Step 3: Cross multiply
    152,418.25x = 210,334.35 × 84,433.72
  4. Step 4: Simplify right side
    152,418.25x = 17,759,311,614.28
  5. Step 5: Solve for x
    x = 17,759,311,614.28/152,418.25
  6. Step 6: Final answer
    x = 116,516.96

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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.