Home / 153,010.86-229,422.32-53,128.14

Finding the Fourth Proportional to 153,010.86, 229,422.32 and 53,128.14

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Solution

The fourth proportional to 153,010.86, 229,422.32 and 53,128.14 is: 79,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,010.86 : 229,422.32 = 53,128.14 : x
  2. Step 2: Convert to fraction form
    153,010.86/229,422.32 = 53,128.14/x
  3. Step 3: Cross multiply
    153,010.86x = 229,422.32 × 53,128.14
  4. Step 4: Simplify right side
    153,010.86x = 12,188,781,136.08
  5. Step 5: Solve for x
    x = 12,188,781,136.08/153,010.86
  6. Step 6: Final answer
    x = 79,659.58

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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.