Home / 118,730.40-178,142.58-52,124.10

Finding the Fourth Proportional to 118,730.40, 178,142.58 and 52,124.10

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Solution

The fourth proportional to 118,730.40, 178,142.58 and 52,124.10 is: 78,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,730.40 : 178,142.58 = 52,124.10 : x
  2. Step 2: Convert to fraction form
    118,730.40/178,142.58 = 52,124.10/x
  3. Step 3: Cross multiply
    118,730.40x = 178,142.58 × 52,124.10
  4. Step 4: Simplify right side
    118,730.40x = 9,285,521,654.18
  5. Step 5: Solve for x
    x = 9,285,521,654.18/118,730.40
  6. Step 6: Final answer
    x = 78,206.77

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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.