Home / 118,898.14-178,345.40-28,941.52

Finding the Fourth Proportional to 118,898.14, 178,345.40 and 28,941.52

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Solution

The fourth proportional to 118,898.14, 178,345.40 and 28,941.52 is: 43,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,898.14 : 178,345.40 = 28,941.52 : x
  2. Step 2: Convert to fraction form
    118,898.14/178,345.40 = 28,941.52/x
  3. Step 3: Cross multiply
    118,898.14x = 178,345.40 × 28,941.52
  4. Step 4: Simplify right side
    118,898.14x = 5,161,586,961.01
  5. Step 5: Solve for x
    x = 5,161,586,961.01/118,898.14
  6. Step 6: Final answer
    x = 43,411.84

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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.