Home / 136,615.17-188,530.14-75,363.70

Finding the Fourth Proportional to 136,615.17, 188,530.14 and 75,363.70

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Solution

The fourth proportional to 136,615.17, 188,530.14 and 75,363.70 is: 104,002.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,615.17 : 188,530.14 = 75,363.70 : x
  2. Step 2: Convert to fraction form
    136,615.17/188,530.14 = 75,363.70/x
  3. Step 3: Cross multiply
    136,615.17x = 188,530.14 × 75,363.70
  4. Step 4: Simplify right side
    136,615.17x = 14,208,328,911.92
  5. Step 5: Solve for x
    x = 14,208,328,911.92/136,615.17
  6. Step 6: Final answer
    x = 104,002.57

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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.