Home / 152,409.03-210,327.84-86,996.52

Finding the Fourth Proportional to 152,409.03, 210,327.84 and 86,996.52

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Solution

The fourth proportional to 152,409.03, 210,327.84 and 86,996.52 is: 120,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,409.03 : 210,327.84 = 86,996.52 : x
  2. Step 2: Convert to fraction form
    152,409.03/210,327.84 = 86,996.52/x
  3. Step 3: Cross multiply
    152,409.03x = 210,327.84 × 86,996.52
  4. Step 4: Simplify right side
    152,409.03x = 18,297,790,139.12
  5. Step 5: Solve for x
    x = 18,297,790,139.12/152,409.03
  6. Step 6: Final answer
    x = 120,057.13

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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.