Home / 175,646.72-242,415.36-100,209.92

Finding the Fourth Proportional to 175,646.72, 242,415.36 and 100,209.92

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Solution

The fourth proportional to 175,646.72, 242,415.36 and 100,209.92 is: 138,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,646.72 : 242,415.36 = 100,209.92 : x
  2. Step 2: Convert to fraction form
    175,646.72/242,415.36 = 100,209.92/x
  3. Step 3: Cross multiply
    175,646.72x = 242,415.36 × 100,209.92
  4. Step 4: Simplify right side
    175,646.72x = 24,292,423,832.37
  5. Step 5: Solve for x
    x = 24,292,423,832.37/175,646.72
  6. Step 6: Final answer
    x = 138,302.75

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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.