Home / 102,993.12-154,577.12-40,707.36

Finding the Fourth Proportional to 102,993.12, 154,577.12 and 40,707.36

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Solution

The fourth proportional to 102,993.12, 154,577.12 and 40,707.36 is: 61,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,993.12 : 154,577.12 = 40,707.36 : x
  2. Step 2: Convert to fraction form
    102,993.12/154,577.12 = 40,707.36/x
  3. Step 3: Cross multiply
    102,993.12x = 154,577.12 × 40,707.36
  4. Step 4: Simplify right side
    102,993.12x = 6,292,426,471.60
  5. Step 5: Solve for x
    x = 6,292,426,471.60/102,993.12
  6. Step 6: Final answer
    x = 61,095.60

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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.