Home / 175,591.06-242,319.81-100,137.94

Finding the Fourth Proportional to 175,591.06, 242,319.81 and 100,137.94

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Solution

The fourth proportional to 175,591.06, 242,319.81 and 100,137.94 is: 138,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,591.06 : 242,319.81 = 100,137.94 : x
  2. Step 2: Convert to fraction form
    175,591.06/242,319.81 = 100,137.94/x
  3. Step 3: Cross multiply
    175,591.06x = 242,319.81 × 100,137.94
  4. Step 4: Simplify right side
    175,591.06x = 24,265,406,594.59
  5. Step 5: Solve for x
    x = 24,265,406,594.59/175,591.06
  6. Step 6: Final answer
    x = 138,192.72

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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.