Home / 118,577.20-177,000.14-103,630

Finding the Fourth Proportional to 118,577.20, 177,000.14 and 103,630

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Solution

The fourth proportional to 118,577.20, 177,000.14 and 103,630 is: 154,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,577.20 : 177,000.14 = 103,630 : x
  2. Step 2: Convert to fraction form
    118,577.20/177,000.14 = 103,630/x
  3. Step 3: Cross multiply
    118,577.20x = 177,000.14 × 103,630
  4. Step 4: Simplify right side
    118,577.20x = 18,342,524,508.20
  5. Step 5: Solve for x
    x = 18,342,524,508.20/118,577.20
  6. Step 6: Final answer
    x = 154,688.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.