Home / 115,442.46-159,309.04-64,455.98

Finding the Fourth Proportional to 115,442.46, 159,309.04 and 64,455.98

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Solution

The fourth proportional to 115,442.46, 159,309.04 and 64,455.98 is: 88,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,442.46 : 159,309.04 = 64,455.98 : x
  2. Step 2: Convert to fraction form
    115,442.46/159,309.04 = 64,455.98/x
  3. Step 3: Cross multiply
    115,442.46x = 159,309.04 × 64,455.98
  4. Step 4: Simplify right side
    115,442.46x = 10,268,419,338.37
  5. Step 5: Solve for x
    x = 10,268,419,338.37/115,442.46
  6. Step 6: Final answer
    x = 88,948.38

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1.5x scale

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.