Home / 130,855.90-196,283.82-42,116.32

Finding the Fourth Proportional to 130,855.90, 196,283.82 and 42,116.32

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Solution

The fourth proportional to 130,855.90, 196,283.82 and 42,116.32 is: 63,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,855.90 : 196,283.82 = 42,116.32 : x
  2. Step 2: Convert to fraction form
    130,855.90/196,283.82 = 42,116.32/x
  3. Step 3: Cross multiply
    130,855.90x = 196,283.82 × 42,116.32
  4. Step 4: Simplify right side
    130,855.90x = 8,266,752,173.94
  5. Step 5: Solve for x
    x = 8,266,752,173.94/130,855.90
  6. Step 6: Final answer
    x = 63,174.47

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1.5x scale

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.