Home / 136,010.76-187,682.91-75,577.57

Finding the Fourth Proportional to 136,010.76, 187,682.91 and 75,577.57

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Solution

The fourth proportional to 136,010.76, 187,682.91 and 75,577.57 is: 104,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,010.76 : 187,682.91 = 75,577.57 : x
  2. Step 2: Convert to fraction form
    136,010.76/187,682.91 = 75,577.57/x
  3. Step 3: Cross multiply
    136,010.76x = 187,682.91 × 75,577.57
  4. Step 4: Simplify right side
    136,010.76x = 14,184,617,515.71
  5. Step 5: Solve for x
    x = 14,184,617,515.71/136,010.76
  6. Step 6: Final answer
    x = 104,290.41

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1.5x scale

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.