Home / 119,661.26-178,945.14-89,699.36

Finding the Fourth Proportional to 119,661.26, 178,945.14 and 89,699.36

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Solution

The fourth proportional to 119,661.26, 178,945.14 and 89,699.36 is: 134,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,661.26 : 178,945.14 = 89,699.36 : x
  2. Step 2: Convert to fraction form
    119,661.26/178,945.14 = 89,699.36/x
  3. Step 3: Cross multiply
    119,661.26x = 178,945.14 × 89,699.36
  4. Step 4: Simplify right side
    119,661.26x = 16,051,264,533.11
  5. Step 5: Solve for x
    x = 16,051,264,533.11/119,661.26
  6. Step 6: Final answer
    x = 134,139.19

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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.