Home / 118,848.04-178,151.92-74,505.88

Finding the Fourth Proportional to 118,848.04, 178,151.92 and 74,505.88

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Solution

The fourth proportional to 118,848.04, 178,151.92 and 74,505.88 is: 111,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,848.04 : 178,151.92 = 74,505.88 : x
  2. Step 2: Convert to fraction form
    118,848.04/178,151.92 = 74,505.88/x
  3. Step 3: Cross multiply
    118,848.04x = 178,151.92 × 74,505.88
  4. Step 4: Simplify right side
    118,848.04x = 13,273,365,573.29
  5. Step 5: Solve for x
    x = 13,273,365,573.29/118,848.04
  6. Step 6: Final answer
    x = 111,683.50

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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.