Home / 120,803.40-166,712.58-67,089.06

Finding the Fourth Proportional to 120,803.40, 166,712.58 and 67,089.06

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Solution

The fourth proportional to 120,803.40, 166,712.58 and 67,089.06 is: 92,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,803.40 : 166,712.58 = 67,089.06 : x
  2. Step 2: Convert to fraction form
    120,803.40/166,712.58 = 67,089.06/x
  3. Step 3: Cross multiply
    120,803.40x = 166,712.58 × 67,089.06
  4. Step 4: Simplify right side
    120,803.40x = 11,184,590,282.37
  5. Step 5: Solve for x
    x = 11,184,590,282.37/120,803.40
  6. Step 6: Final answer
    x = 92,585.06

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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.