Home / 152,702.94-229,112.73-86,218.14

Finding the Fourth Proportional to 152,702.94, 229,112.73 and 86,218.14

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Solution

The fourth proportional to 152,702.94, 229,112.73 and 86,218.14 is: 129,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,702.94 : 229,112.73 = 86,218.14 : x
  2. Step 2: Convert to fraction form
    152,702.94/229,112.73 = 86,218.14/x
  3. Step 3: Cross multiply
    152,702.94x = 229,112.73 × 86,218.14
  4. Step 4: Simplify right side
    152,702.94x = 19,753,673,430.92
  5. Step 5: Solve for x
    x = 19,753,673,430.92/152,702.94
  6. Step 6: Final answer
    x = 129,360.14

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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.