Home / 239,205.04-330,104.64-137,234.96

Finding the Fourth Proportional to 239,205.04, 330,104.64 and 137,234.96

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Solution

The fourth proportional to 239,205.04, 330,104.64 and 137,234.96 is: 189,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,205.04 : 330,104.64 = 137,234.96 : x
  2. Step 2: Convert to fraction form
    239,205.04/330,104.64 = 137,234.96/x
  3. Step 3: Cross multiply
    239,205.04x = 330,104.64 × 137,234.96
  4. Step 4: Simplify right side
    239,205.04x = 45,301,897,066.21
  5. Step 5: Solve for x
    x = 45,301,897,066.21/239,205.04
  6. Step 6: Final answer
    x = 189,385.21

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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.