Home / 152,999.18-211,134.68-85,014.41

Finding the Fourth Proportional to 152,999.18, 211,134.68 and 85,014.41

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Solution

The fourth proportional to 152,999.18, 211,134.68 and 85,014.41 is: 117,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,999.18 : 211,134.68 = 85,014.41 : x
  2. Step 2: Convert to fraction form
    152,999.18/211,134.68 = 85,014.41/x
  3. Step 3: Cross multiply
    152,999.18x = 211,134.68 × 85,014.41
  4. Step 4: Simplify right side
    152,999.18x = 17,949,490,037.33
  5. Step 5: Solve for x
    x = 17,949,490,037.33/152,999.18
  6. Step 6: Final answer
    x = 117,317.55

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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.