Home / 239,845.98-330,982.23-130,946.61

Finding the Fourth Proportional to 239,845.98, 330,982.23 and 130,946.61

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Solution

The fourth proportional to 239,845.98, 330,982.23 and 130,946.61 is: 180,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,845.98 : 330,982.23 = 130,946.61 : x
  2. Step 2: Convert to fraction form
    239,845.98/330,982.23 = 130,946.61/x
  3. Step 3: Cross multiply
    239,845.98x = 330,982.23 × 130,946.61
  4. Step 4: Simplify right side
    239,845.98x = 43,341,000,988.74
  5. Step 5: Solve for x
    x = 43,341,000,988.74/239,845.98
  6. Step 6: Final answer
    x = 180,703.47

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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.