Home / 119,269.56-178,888.96-99,403.17

Finding the Fourth Proportional to 119,269.56, 178,888.96 and 99,403.17

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Solution

The fourth proportional to 119,269.56, 178,888.96 and 99,403.17 is: 149,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,269.56 : 178,888.96 = 99,403.17 : x
  2. Step 2: Convert to fraction form
    119,269.56/178,888.96 = 99,403.17/x
  3. Step 3: Cross multiply
    119,269.56x = 178,888.96 × 99,403.17
  4. Step 4: Simplify right side
    119,269.56x = 17,782,128,596.28
  5. Step 5: Solve for x
    x = 17,782,128,596.28/119,269.56
  6. Step 6: Final answer
    x = 149,091.92

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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.