Home / 207,762.28-286,690.02-117,097.96

Finding the Fourth Proportional to 207,762.28, 286,690.02 and 117,097.96

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Solution

The fourth proportional to 207,762.28, 286,690.02 and 117,097.96 is: 161,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,762.28 : 286,690.02 = 117,097.96 : x
  2. Step 2: Convert to fraction form
    207,762.28/286,690.02 = 117,097.96/x
  3. Step 3: Cross multiply
    207,762.28x = 286,690.02 × 117,097.96
  4. Step 4: Simplify right side
    207,762.28x = 33,570,816,494.36
  5. Step 5: Solve for x
    x = 33,570,816,494.36/207,762.28
  6. Step 6: Final answer
    x = 161,582.83

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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.