Home / 121,058.96-181,586.31-42,171.13

Finding the Fourth Proportional to 121,058.96, 181,586.31 and 42,171.13

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Solution

The fourth proportional to 121,058.96, 181,586.31 and 42,171.13 is: 63,255.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,058.96 : 181,586.31 = 42,171.13 : x
  2. Step 2: Convert to fraction form
    121,058.96/181,586.31 = 42,171.13/x
  3. Step 3: Cross multiply
    121,058.96x = 181,586.31 × 42,171.13
  4. Step 4: Simplify right side
    121,058.96x = 7,657,699,954.07
  5. Step 5: Solve for x
    x = 7,657,699,954.07/121,058.96
  6. Step 6: Final answer
    x = 63,255.96

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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.