Home / 147,680.86-203,738.91-109,534.26

Finding the Fourth Proportional to 147,680.86, 203,738.91 and 109,534.26

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Solution

The fourth proportional to 147,680.86, 203,738.91 and 109,534.26 is: 151,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,680.86 : 203,738.91 = 109,534.26 : x
  2. Step 2: Convert to fraction form
    147,680.86/203,738.91 = 109,534.26/x
  3. Step 3: Cross multiply
    147,680.86x = 203,738.91 × 109,534.26
  4. Step 4: Simplify right side
    147,680.86x = 22,316,390,740.06
  5. Step 5: Solve for x
    x = 22,316,390,740.06/147,680.86
  6. Step 6: Final answer
    x = 151,112.28

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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.