Home / 152,339.33-210,230.42-87,772.88

Finding the Fourth Proportional to 152,339.33, 210,230.42 and 87,772.88

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Solution

The fourth proportional to 152,339.33, 210,230.42 and 87,772.88 is: 121,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,339.33 : 210,230.42 = 87,772.88 : x
  2. Step 2: Convert to fraction form
    152,339.33/210,230.42 = 87,772.88/x
  3. Step 3: Cross multiply
    152,339.33x = 210,230.42 × 87,772.88
  4. Step 4: Simplify right side
    152,339.33x = 18,452,527,936.99
  5. Step 5: Solve for x
    x = 18,452,527,936.99/152,339.33
  6. Step 6: Final answer
    x = 121,127.80

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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.