Home / 175,415.45-242,184.02-121,681.67

Finding the Fourth Proportional to 175,415.45, 242,184.02 and 121,681.67

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Solution

The fourth proportional to 175,415.45, 242,184.02 and 121,681.67 is: 167,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,415.45 : 242,184.02 = 121,681.67 : x
  2. Step 2: Convert to fraction form
    175,415.45/242,184.02 = 121,681.67/x
  3. Step 3: Cross multiply
    175,415.45x = 242,184.02 × 121,681.67
  4. Step 4: Simplify right side
    175,415.45x = 29,469,354,181.59
  5. Step 5: Solve for x
    x = 29,469,354,181.59/175,415.45
  6. Step 6: Final answer
    x = 167,997.49

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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.