Home / 175,529.75-242,211.80-100,078.25

Finding the Fourth Proportional to 175,529.75, 242,211.80 and 100,078.25

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Solution

The fourth proportional to 175,529.75, 242,211.80 and 100,078.25 is: 138,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,529.75 : 242,211.80 = 100,078.25 : x
  2. Step 2: Convert to fraction form
    175,529.75/242,211.80 = 100,078.25/x
  3. Step 3: Cross multiply
    175,529.75x = 242,211.80 × 100,078.25
  4. Step 4: Simplify right side
    175,529.75x = 24,240,132,112.49
  5. Step 5: Solve for x
    x = 24,240,132,112.49/175,529.75
  6. Step 6: Final answer
    x = 138,097.01

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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.