Home / 175,725.72-242,518.86-100,285.56

Finding the Fourth Proportional to 175,725.72, 242,518.86 and 100,285.56

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Solution

The fourth proportional to 175,725.72, 242,518.86 and 100,285.56 is: 138,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,725.72 : 242,518.86 = 100,285.56 : x
  2. Step 2: Convert to fraction form
    175,725.72/242,518.86 = 100,285.56/x
  3. Step 3: Cross multiply
    175,725.72x = 242,518.86 × 100,285.56
  4. Step 4: Simplify right side
    175,725.72x = 24,321,139,685.66
  5. Step 5: Solve for x
    x = 24,321,139,685.66/175,725.72
  6. Step 6: Final answer
    x = 138,403.98

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1.5x scale

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.