Home / 152,739.88-210,764.10-84,754.60

Finding the Fourth Proportional to 152,739.88, 210,764.10 and 84,754.60

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Solution

The fourth proportional to 152,739.88, 210,764.10 and 84,754.60 is: 116,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,739.88 : 210,764.10 = 84,754.60 : x
  2. Step 2: Convert to fraction form
    152,739.88/210,764.10 = 84,754.60/x
  3. Step 3: Cross multiply
    152,739.88x = 210,764.10 × 84,754.60
  4. Step 4: Simplify right side
    152,739.88x = 17,863,226,989.86
  5. Step 5: Solve for x
    x = 17,863,226,989.86/152,739.88
  6. Step 6: Final answer
    x = 116,951.95

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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.