Home / 131,460.34-181,415.35-71,030.97

Finding the Fourth Proportional to 131,460.34, 181,415.35 and 71,030.97

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Solution

The fourth proportional to 131,460.34, 181,415.35 and 71,030.97 is: 98,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,460.34 : 181,415.35 = 71,030.97 : x
  2. Step 2: Convert to fraction form
    131,460.34/181,415.35 = 71,030.97/x
  3. Step 3: Cross multiply
    131,460.34x = 181,415.35 × 71,030.97
  4. Step 4: Simplify right side
    131,460.34x = 12,886,107,021.16
  5. Step 5: Solve for x
    x = 12,886,107,021.16/131,460.34
  6. Step 6: Final answer
    x = 98,022.78

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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.