Home / 118,946.65-178,420.29-40,116.25

Finding the Fourth Proportional to 118,946.65, 178,420.29 and 40,116.25

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Solution

The fourth proportional to 118,946.65, 178,420.29 and 40,116.25 is: 60,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,946.65 : 178,420.29 = 40,116.25 : x
  2. Step 2: Convert to fraction form
    118,946.65/178,420.29 = 40,116.25/x
  3. Step 3: Cross multiply
    118,946.65x = 178,420.29 × 40,116.25
  4. Step 4: Simplify right side
    118,946.65x = 7,157,552,958.71
  5. Step 5: Solve for x
    x = 7,157,552,958.71/118,946.65
  6. Step 6: Final answer
    x = 60,174.48

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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.