Home / 136,253.37-188,030.90-75,826.56

Finding the Fourth Proportional to 136,253.37, 188,030.90 and 75,826.56

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Solution

The fourth proportional to 136,253.37, 188,030.90 and 75,826.56 is: 104,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,253.37 : 188,030.90 = 75,826.56 : x
  2. Step 2: Convert to fraction form
    136,253.37/188,030.90 = 75,826.56/x
  3. Step 3: Cross multiply
    136,253.37x = 188,030.90 × 75,826.56
  4. Step 4: Simplify right side
    136,253.37x = 14,257,736,320.70
  5. Step 5: Solve for x
    x = 14,257,736,320.70/136,253.37
  6. Step 6: Final answer
    x = 104,641.35

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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.