Home / 131,495.29-181,464.33-71,065.79

Finding the Fourth Proportional to 131,495.29, 181,464.33 and 71,065.79

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Solution

The fourth proportional to 131,495.29, 181,464.33 and 71,065.79 is: 98,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,495.29 : 181,464.33 = 71,065.79 : x
  2. Step 2: Convert to fraction form
    131,495.29/181,464.33 = 71,065.79/x
  3. Step 3: Cross multiply
    131,495.29x = 181,464.33 × 71,065.79
  4. Step 4: Simplify right side
    131,495.29x = 12,895,907,028.67
  5. Step 5: Solve for x
    x = 12,895,907,028.67/131,495.29
  6. Step 6: Final answer
    x = 98,071.24

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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.