Home / 135,254.04-186,649.56-75,638.04

Finding the Fourth Proportional to 135,254.04, 186,649.56 and 75,638.04

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Solution

The fourth proportional to 135,254.04, 186,649.56 and 75,638.04 is: 104,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,254.04 : 186,649.56 = 75,638.04 : x
  2. Step 2: Convert to fraction form
    135,254.04/186,649.56 = 75,638.04/x
  3. Step 3: Cross multiply
    135,254.04x = 186,649.56 × 75,638.04
  4. Step 4: Simplify right side
    135,254.04x = 14,117,806,885.26
  5. Step 5: Solve for x
    x = 14,117,806,885.26/135,254.04
  6. Step 6: Final answer
    x = 104,379.93

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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.