Home / 237,969.12-328,395.42-130,536.66

Finding the Fourth Proportional to 237,969.12, 328,395.42 and 130,536.66

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Solution

The fourth proportional to 237,969.12, 328,395.42 and 130,536.66 is: 180,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,969.12 : 328,395.42 = 130,536.66 : x
  2. Step 2: Convert to fraction form
    237,969.12/328,395.42 = 130,536.66/x
  3. Step 3: Cross multiply
    237,969.12x = 328,395.42 × 130,536.66
  4. Step 4: Simplify right side
    237,969.12x = 42,867,641,286.10
  5. Step 5: Solve for x
    x = 42,867,641,286.10/237,969.12
  6. Step 6: Final answer
    x = 180,139.51

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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.