Home / 179,089.08-247,115.52-103,623

Finding the Fourth Proportional to 179,089.08, 247,115.52 and 103,623

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Solution

The fourth proportional to 179,089.08, 247,115.52 and 103,623 is: 142,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,089.08 : 247,115.52 = 103,623 : x
  2. Step 2: Convert to fraction form
    179,089.08/247,115.52 = 103,623/x
  3. Step 3: Cross multiply
    179,089.08x = 247,115.52 × 103,623
  4. Step 4: Simplify right side
    179,089.08x = 25,606,851,528.96
  5. Step 5: Solve for x
    x = 25,606,851,528.96/179,089.08
  6. Step 6: Final answer
    x = 142,983.88

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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.