Home / 99,181.40-136,870.62-53,860.14

Finding the Fourth Proportional to 99,181.40, 136,870.62 and 53,860.14

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Solution

The fourth proportional to 99,181.40, 136,870.62 and 53,860.14 is: 74,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,181.40 : 136,870.62 = 53,860.14 : x
  2. Step 2: Convert to fraction form
    99,181.40/136,870.62 = 53,860.14/x
  3. Step 3: Cross multiply
    99,181.40x = 136,870.62 × 53,860.14
  4. Step 4: Simplify right side
    99,181.40x = 7,371,870,755.09
  5. Step 5: Solve for x
    x = 7,371,870,755.09/99,181.40
  6. Step 6: Final answer
    x = 74,327.15

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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.