Home / 152,221.20-210,065.66-84,242.86

Finding the Fourth Proportional to 152,221.20, 210,065.66 and 84,242.86

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Solution

The fourth proportional to 152,221.20, 210,065.66 and 84,242.86 is: 116,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,221.20 : 210,065.66 = 84,242.86 : x
  2. Step 2: Convert to fraction form
    152,221.20/210,065.66 = 84,242.86/x
  3. Step 3: Cross multiply
    152,221.20x = 210,065.66 × 84,242.86
  4. Step 4: Simplify right side
    152,221.20x = 17,696,531,208.02
  5. Step 5: Solve for x
    x = 17,696,531,208.02/152,221.20
  6. Step 6: Final answer
    x = 116,255.37

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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.