Home / 144,730.24-217,212.96-74,629.60

Finding the Fourth Proportional to 144,730.24, 217,212.96 and 74,629.60

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Solution

The fourth proportional to 144,730.24, 217,212.96 and 74,629.60 is: 112,005.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,730.24 : 217,212.96 = 74,629.60 : x
  2. Step 2: Convert to fraction form
    144,730.24/217,212.96 = 74,629.60/x
  3. Step 3: Cross multiply
    144,730.24x = 217,212.96 × 74,629.60
  4. Step 4: Simplify right side
    144,730.24x = 16,210,516,319.62
  5. Step 5: Solve for x
    x = 16,210,516,319.62/144,730.24
  6. Step 6: Final answer
    x = 112,005.04

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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.