Home / 117,431.65-162,097.71-69,685.00

Finding the Fourth Proportional to 117,431.65, 162,097.71 and 69,685.00

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Solution

The fourth proportional to 117,431.65, 162,097.71 and 69,685.00 is: 96,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,431.65 : 162,097.71 = 69,685.00 : x
  2. Step 2: Convert to fraction form
    117,431.65/162,097.71 = 69,685.00/x
  3. Step 3: Cross multiply
    117,431.65x = 162,097.71 × 69,685.00
  4. Step 4: Simplify right side
    117,431.65x = 11,295,778,026.84
  5. Step 5: Solve for x
    x = 11,295,778,026.84/117,431.65
  6. Step 6: Final answer
    x = 96,190.24

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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.