Home / 118,898.61-178,348.25-30,152.17

Finding the Fourth Proportional to 118,898.61, 178,348.25 and 30,152.17

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Solution

The fourth proportional to 118,898.61, 178,348.25 and 30,152.17 is: 45,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,898.61 : 178,348.25 = 30,152.17 : x
  2. Step 2: Convert to fraction form
    118,898.61/178,348.25 = 30,152.17/x
  3. Step 3: Cross multiply
    118,898.61x = 178,348.25 × 30,152.17
  4. Step 4: Simplify right side
    118,898.61x = 5,377,586,753.20
  5. Step 5: Solve for x
    x = 5,377,586,753.20/118,898.61
  6. Step 6: Final answer
    x = 45,228.34

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1.5x scale

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.