Home / 175,934.10-242,821.56-100,482.60

Finding the Fourth Proportional to 175,934.10, 242,821.56 and 100,482.60

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Solution

The fourth proportional to 175,934.10, 242,821.56 and 100,482.60 is: 138,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,934.10 : 242,821.56 = 100,482.60 : x
  2. Step 2: Convert to fraction form
    175,934.10/242,821.56 = 100,482.60/x
  3. Step 3: Cross multiply
    175,934.10x = 242,821.56 × 100,482.60
  4. Step 4: Simplify right side
    175,934.10x = 24,399,341,684.86
  5. Step 5: Solve for x
    x = 24,399,341,684.86/175,934.10
  6. Step 6: Final answer
    x = 138,684.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.