Home / 119,659.80-179,455.12-40,772.28

Finding the Fourth Proportional to 119,659.80, 179,455.12 and 40,772.28

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Solution

The fourth proportional to 119,659.80, 179,455.12 and 40,772.28 is: 61,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,659.80 : 179,455.12 = 40,772.28 : x
  2. Step 2: Convert to fraction form
    119,659.80/179,455.12 = 40,772.28/x
  3. Step 3: Cross multiply
    119,659.80x = 179,455.12 × 40,772.28
  4. Step 4: Simplify right side
    119,659.80x = 7,316,794,400.07
  5. Step 5: Solve for x
    x = 7,316,794,400.07/119,659.80
  6. Step 6: Final answer
    x = 61,146.64

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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.