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Finding the Fourth Proportional to 99,899.45, 137,580.59 and 97,722.17

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Solution

The fourth proportional to 99,899.45, 137,580.59 and 97,722.17 is: 134,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,899.45 : 137,580.59 = 97,722.17 : x
  2. Step 2: Convert to fraction form
    99,899.45/137,580.59 = 97,722.17/x
  3. Step 3: Cross multiply
    99,899.45x = 137,580.59 × 97,722.17
  4. Step 4: Simplify right side
    99,899.45x = 13,444,673,316.07
  5. Step 5: Solve for x
    x = 13,444,673,316.07/99,899.45
  6. Step 6: Final answer
    x = 134,582.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.