Home / 117,206.05-175,808.31-28,458.95

Finding the Fourth Proportional to 117,206.05, 175,808.31 and 28,458.95

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Solution

The fourth proportional to 117,206.05, 175,808.31 and 28,458.95 is: 42,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,206.05 : 175,808.31 = 28,458.95 : x
  2. Step 2: Convert to fraction form
    117,206.05/175,808.31 = 28,458.95/x
  3. Step 3: Cross multiply
    117,206.05x = 175,808.31 × 28,458.95
  4. Step 4: Simplify right side
    117,206.05x = 5,003,320,343.40
  5. Step 5: Solve for x
    x = 5,003,320,343.40/117,206.05
  6. Step 6: Final answer
    x = 42,688.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.