Home / 152,699.94-229,108.23-86,215.14

Finding the Fourth Proportional to 152,699.94, 229,108.23 and 86,215.14

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Solution

The fourth proportional to 152,699.94, 229,108.23 and 86,215.14 is: 129,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,699.94 : 229,108.23 = 86,215.14 : x
  2. Step 2: Convert to fraction form
    152,699.94/229,108.23 = 86,215.14/x
  3. Step 3: Cross multiply
    152,699.94x = 229,108.23 × 86,215.14
  4. Step 4: Simplify right side
    152,699.94x = 19,752,598,124.60
  5. Step 5: Solve for x
    x = 19,752,598,124.60/152,699.94
  6. Step 6: Final answer
    x = 129,355.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.