Home / 153,363.20-229,828.80-121,827.20

Finding the Fourth Proportional to 153,363.20, 229,828.80 and 121,827.20

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Solution

The fourth proportional to 153,363.20, 229,828.80 and 121,827.20 is: 182,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,363.20 : 229,828.80 = 121,827.20 : x
  2. Step 2: Convert to fraction form
    153,363.20/229,828.80 = 121,827.20/x
  3. Step 3: Cross multiply
    153,363.20x = 229,828.80 × 121,827.20
  4. Step 4: Simplify right side
    153,363.20x = 27,999,399,183.36
  5. Step 5: Solve for x
    x = 27,999,399,183.36/153,363.20
  6. Step 6: Final answer
    x = 182,569.22

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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.