Home / 118,902.47-178,381.15-40,014.77

Finding the Fourth Proportional to 118,902.47, 178,381.15 and 40,014.77

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Solution

The fourth proportional to 118,902.47, 178,381.15 and 40,014.77 is: 60,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,902.47 : 178,381.15 = 40,014.77 : x
  2. Step 2: Convert to fraction form
    118,902.47/178,381.15 = 40,014.77/x
  3. Step 3: Cross multiply
    118,902.47x = 178,381.15 × 40,014.77
  4. Step 4: Simplify right side
    118,902.47x = 7,137,879,697.64
  5. Step 5: Solve for x
    x = 7,137,879,697.64/118,902.47
  6. Step 6: Final answer
    x = 60,031.39

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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.