Home / 135,948.31-187,603.45-75,522.75

Finding the Fourth Proportional to 135,948.31, 187,603.45 and 75,522.75

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Solution

The fourth proportional to 135,948.31, 187,603.45 and 75,522.75 is: 104,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,948.31 : 187,603.45 = 75,522.75 : x
  2. Step 2: Convert to fraction form
    135,948.31/187,603.45 = 75,522.75/x
  3. Step 3: Cross multiply
    135,948.31x = 187,603.45 × 75,522.75
  4. Step 4: Simplify right side
    135,948.31x = 14,168,328,779.39
  5. Step 5: Solve for x
    x = 14,168,328,779.39/135,948.31
  6. Step 6: Final answer
    x = 104,218.50

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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.