Home / 252,150.11-347,962.59-137,429.81

Finding the Fourth Proportional to 252,150.11, 347,962.59 and 137,429.81

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Solution

The fourth proportional to 252,150.11, 347,962.59 and 137,429.81 is: 189,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,150.11 : 347,962.59 = 137,429.81 : x
  2. Step 2: Convert to fraction form
    252,150.11/347,962.59 = 137,429.81/x
  3. Step 3: Cross multiply
    252,150.11x = 347,962.59 × 137,429.81
  4. Step 4: Simplify right side
    252,150.11x = 47,820,430,891.00
  5. Step 5: Solve for x
    x = 47,820,430,891.00/252,150.11
  6. Step 6: Final answer
    x = 189,650.65

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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.