Home / 207,025.60-285,719.12-115,154.16

Finding the Fourth Proportional to 207,025.60, 285,719.12 and 115,154.16

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Solution

The fourth proportional to 207,025.60, 285,719.12 and 115,154.16 is: 158,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,025.60 : 285,719.12 = 115,154.16 : x
  2. Step 2: Convert to fraction form
    207,025.60/285,719.12 = 115,154.16/x
  3. Step 3: Cross multiply
    207,025.60x = 285,719.12 × 115,154.16
  4. Step 4: Simplify right side
    207,025.60x = 32,901,745,259.54
  5. Step 5: Solve for x
    x = 32,901,745,259.54/207,025.60
  6. Step 6: Final answer
    x = 158,925.97

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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.