Home / 134,807.04-186,034.32-74,379.44

Finding the Fourth Proportional to 134,807.04, 186,034.32 and 74,379.44

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Solution

The fourth proportional to 134,807.04, 186,034.32 and 74,379.44 is: 102,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,807.04 : 186,034.32 = 74,379.44 : x
  2. Step 2: Convert to fraction form
    134,807.04/186,034.32 = 74,379.44/x
  3. Step 3: Cross multiply
    134,807.04x = 186,034.32 × 74,379.44
  4. Step 4: Simplify right side
    134,807.04x = 13,837,128,542.38
  5. Step 5: Solve for x
    x = 13,837,128,542.38/134,807.04
  6. Step 6: Final answer
    x = 102,643.96

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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.