Home / 178,538.61-246,076.47-170,130.28

Finding the Fourth Proportional to 178,538.61, 246,076.47 and 170,130.28

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Solution

The fourth proportional to 178,538.61, 246,076.47 and 170,130.28 is: 234,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,538.61 : 246,076.47 = 170,130.28 : x
  2. Step 2: Convert to fraction form
    178,538.61/246,076.47 = 170,130.28/x
  3. Step 3: Cross multiply
    178,538.61x = 246,076.47 × 170,130.28
  4. Step 4: Simplify right side
    178,538.61x = 41,865,058,742.51
  5. Step 5: Solve for x
    x = 41,865,058,742.51/178,538.61
  6. Step 6: Final answer
    x = 234,487.42

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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.