Home / 152,261.97-210,121.92-84,283.64

Finding the Fourth Proportional to 152,261.97, 210,121.92 and 84,283.64

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Solution

The fourth proportional to 152,261.97, 210,121.92 and 84,283.64 is: 116,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,261.97 : 210,121.92 = 84,283.64 : x
  2. Step 2: Convert to fraction form
    152,261.97/210,121.92 = 84,283.64/x
  3. Step 3: Cross multiply
    152,261.97x = 210,121.92 × 84,283.64
  4. Step 4: Simplify right side
    152,261.97x = 17,709,839,210.78
  5. Step 5: Solve for x
    x = 17,709,839,210.78/152,261.97
  6. Step 6: Final answer
    x = 116,311.64

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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.