Home / 207,810.63-286,772.93-117,165.80

Finding the Fourth Proportional to 207,810.63, 286,772.93 and 117,165.80

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Solution

The fourth proportional to 207,810.63, 286,772.93 and 117,165.80 is: 161,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,810.63 : 286,772.93 = 117,165.80 : x
  2. Step 2: Convert to fraction form
    207,810.63/286,772.93 = 117,165.80/x
  3. Step 3: Cross multiply
    207,810.63x = 286,772.93 × 117,165.80
  4. Step 4: Simplify right side
    207,810.63x = 33,599,979,892.90
  5. Step 5: Solve for x
    x = 33,599,979,892.90/207,810.63
  6. Step 6: Final answer
    x = 161,685.57

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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.