Home / 187,030.93-258,102.34-102,147.97

Finding the Fourth Proportional to 187,030.93, 258,102.34 and 102,147.97

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Solution

The fourth proportional to 187,030.93, 258,102.34 and 102,147.97 is: 140,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,030.93 : 258,102.34 = 102,147.97 : x
  2. Step 2: Convert to fraction form
    187,030.93/258,102.34 = 102,147.97/x
  3. Step 3: Cross multiply
    187,030.93x = 258,102.34 × 102,147.97
  4. Step 4: Simplify right side
    187,030.93x = 26,364,630,083.25
  5. Step 5: Solve for x
    x = 26,364,630,083.25/187,030.93
  6. Step 6: Final answer
    x = 140,964.01

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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.