Home / 135,948.03-187,638.29-75,539.44

Finding the Fourth Proportional to 135,948.03, 187,638.29 and 75,539.44

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Solution

The fourth proportional to 135,948.03, 187,638.29 and 75,539.44 is: 104,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,948.03 : 187,638.29 = 75,539.44 : x
  2. Step 2: Convert to fraction form
    135,948.03/187,638.29 = 75,539.44/x
  3. Step 3: Cross multiply
    135,948.03x = 187,638.29 × 75,539.44
  4. Step 4: Simplify right side
    135,948.03x = 14,174,091,349.16
  5. Step 5: Solve for x
    x = 14,174,091,349.16/135,948.03
  6. Step 6: Final answer
    x = 104,261.10

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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.