Home / 134,309.06-185,372.85-76,986.83

Finding the Fourth Proportional to 134,309.06, 185,372.85 and 76,986.83

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Solution

The fourth proportional to 134,309.06, 185,372.85 and 76,986.83 is: 106,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,309.06 : 185,372.85 = 76,986.83 : x
  2. Step 2: Convert to fraction form
    134,309.06/185,372.85 = 76,986.83/x
  3. Step 3: Cross multiply
    134,309.06x = 185,372.85 × 76,986.83
  4. Step 4: Simplify right side
    134,309.06x = 14,271,267,162.70
  5. Step 5: Solve for x
    x = 14,271,267,162.70/134,309.06
  6. Step 6: Final answer
    x = 106,256.92

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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.