Home / 194,964.90-292,387.80-82,643

Finding the Fourth Proportional to 194,964.90, 292,387.80 and 82,643

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Solution

The fourth proportional to 194,964.90, 292,387.80 and 82,643 is: 123,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,964.90 : 292,387.80 = 82,643 : x
  2. Step 2: Convert to fraction form
    194,964.90/292,387.80 = 82,643/x
  3. Step 3: Cross multiply
    194,964.90x = 292,387.80 × 82,643
  4. Step 4: Simplify right side
    194,964.90x = 24,163,804,955.40
  5. Step 5: Solve for x
    x = 24,163,804,955.40/194,964.90
  6. Step 6: Final answer
    x = 123,939.26

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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.