Home / 239,770.10-330,679.58-144,258.96

Finding the Fourth Proportional to 239,770.10, 330,679.58 and 144,258.96

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Solution

The fourth proportional to 239,770.10, 330,679.58 and 144,258.96 is: 198,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,770.10 : 330,679.58 = 144,258.96 : x
  2. Step 2: Convert to fraction form
    239,770.10/330,679.58 = 144,258.96/x
  3. Step 3: Cross multiply
    239,770.10x = 330,679.58 × 144,258.96
  4. Step 4: Simplify right side
    239,770.10x = 47,703,492,304.04
  5. Step 5: Solve for x
    x = 47,703,492,304.04/239,770.10
  6. Step 6: Final answer
    x = 198,955.13

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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.