Home / 152,619.72-210,611.26-84,635.60

Finding the Fourth Proportional to 152,619.72, 210,611.26 and 84,635.60

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Solution

The fourth proportional to 152,619.72, 210,611.26 and 84,635.60 is: 116,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,619.72 : 210,611.26 = 84,635.60 : x
  2. Step 2: Convert to fraction form
    152,619.72/210,611.26 = 84,635.60/x
  3. Step 3: Cross multiply
    152,619.72x = 210,611.26 × 84,635.60
  4. Step 4: Simplify right side
    152,619.72x = 17,825,210,356.86
  5. Step 5: Solve for x
    x = 17,825,210,356.86/152,619.72
  6. Step 6: Final answer
    x = 116,794.94

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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.