Home / 136,260.95-188,038.73-75,830.57

Finding the Fourth Proportional to 136,260.95, 188,038.73 and 75,830.57

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Solution

The fourth proportional to 136,260.95, 188,038.73 and 75,830.57 is: 104,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,260.95 : 188,038.73 = 75,830.57 : x
  2. Step 2: Convert to fraction form
    136,260.95/188,038.73 = 75,830.57/x
  3. Step 3: Cross multiply
    136,260.95x = 188,038.73 × 75,830.57
  4. Step 4: Simplify right side
    136,260.95x = 14,259,082,758.63
  5. Step 5: Solve for x
    x = 14,259,082,758.63/136,260.95
  6. Step 6: Final answer
    x = 104,645.41

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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.