Home / 207,118.10-285,824.64-115,238.72

Finding the Fourth Proportional to 207,118.10, 285,824.64 and 115,238.72

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Solution

The fourth proportional to 207,118.10, 285,824.64 and 115,238.72 is: 159,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,118.10 : 285,824.64 = 115,238.72 : x
  2. Step 2: Convert to fraction form
    207,118.10/285,824.64 = 115,238.72/x
  3. Step 3: Cross multiply
    207,118.10x = 285,824.64 × 115,238.72
  4. Step 4: Simplify right side
    207,118.10x = 32,938,065,658.06
  5. Step 5: Solve for x
    x = 32,938,065,658.06/207,118.10
  6. Step 6: Final answer
    x = 159,030.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.