Home / 129,281.77-193,922.67-40,543.03

Finding the Fourth Proportional to 129,281.77, 193,922.67 and 40,543.03

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Solution

The fourth proportional to 129,281.77, 193,922.67 and 40,543.03 is: 60,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,281.77 : 193,922.67 = 40,543.03 : x
  2. Step 2: Convert to fraction form
    129,281.77/193,922.67 = 40,543.03/x
  3. Step 3: Cross multiply
    129,281.77x = 193,922.67 × 40,543.03
  4. Step 4: Simplify right side
    129,281.77x = 7,862,212,627.49
  5. Step 5: Solve for x
    x = 7,862,212,627.49/129,281.77
  6. Step 6: Final answer
    x = 60,814.55

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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.