Home / 239,712.21-359,474.83-89,870.85

Finding the Fourth Proportional to 239,712.21, 359,474.83 and 89,870.85

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Solution

The fourth proportional to 239,712.21, 359,474.83 and 89,870.85 is: 134,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,712.21 : 359,474.83 = 89,870.85 : x
  2. Step 2: Convert to fraction form
    239,712.21/359,474.83 = 89,870.85/x
  3. Step 3: Cross multiply
    239,712.21x = 359,474.83 × 89,870.85
  4. Step 4: Simplify right side
    239,712.21x = 32,306,308,301.03
  5. Step 5: Solve for x
    x = 32,306,308,301.03/239,712.21
  6. Step 6: Final answer
    x = 134,771.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.