Home / 240,548.13-331,957.30-130,166.78

Finding the Fourth Proportional to 240,548.13, 331,957.30 and 130,166.78

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Solution

The fourth proportional to 240,548.13, 331,957.30 and 130,166.78 is: 179,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,548.13 : 331,957.30 = 130,166.78 : x
  2. Step 2: Convert to fraction form
    240,548.13/331,957.30 = 130,166.78/x
  3. Step 3: Cross multiply
    240,548.13x = 331,957.30 × 130,166.78
  4. Step 4: Simplify right side
    240,548.13x = 43,209,811,097.35
  5. Step 5: Solve for x
    x = 43,209,811,097.35/240,548.13
  6. Step 6: Final answer
    x = 179,630.63

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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.