Home / 118,962.69-178,455.32-43,080.40

Finding the Fourth Proportional to 118,962.69, 178,455.32 and 43,080.40

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Solution

The fourth proportional to 118,962.69, 178,455.32 and 43,080.40 is: 64,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,962.69 : 178,455.32 = 43,080.40 : x
  2. Step 2: Convert to fraction form
    118,962.69/178,455.32 = 43,080.40/x
  3. Step 3: Cross multiply
    118,962.69x = 178,455.32 × 43,080.40
  4. Step 4: Simplify right side
    118,962.69x = 7,687,925,975.46
  5. Step 5: Solve for x
    x = 7,687,925,975.46/118,962.69
  6. Step 6: Final answer
    x = 64,624.68

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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.