Home / 134,544.96-185,686.63-74,121.80

Finding the Fourth Proportional to 134,544.96, 185,686.63 and 74,121.80

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Solution

The fourth proportional to 134,544.96, 185,686.63 and 74,121.80 is: 102,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,544.96 : 185,686.63 = 74,121.80 : x
  2. Step 2: Convert to fraction form
    134,544.96/185,686.63 = 74,121.80/x
  3. Step 3: Cross multiply
    134,544.96x = 185,686.63 × 74,121.80
  4. Step 4: Simplify right side
    134,544.96x = 13,763,426,137.80
  5. Step 5: Solve for x
    x = 13,763,426,137.80/134,544.96
  6. Step 6: Final answer
    x = 102,296.11

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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.