Home / 175,720.56-242,498.52-100,276.08

Finding the Fourth Proportional to 175,720.56, 242,498.52 and 100,276.08

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Solution

The fourth proportional to 175,720.56, 242,498.52 and 100,276.08 is: 138,383.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,720.56 : 242,498.52 = 100,276.08 : x
  2. Step 2: Convert to fraction form
    175,720.56/242,498.52 = 100,276.08/x
  3. Step 3: Cross multiply
    175,720.56x = 242,498.52 × 100,276.08
  4. Step 4: Simplify right side
    175,720.56x = 24,316,800,991.40
  5. Step 5: Solve for x
    x = 24,316,800,991.40/175,720.56
  6. Step 6: Final answer
    x = 138,383.36

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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.