Home / 179,860.47-248,206.05-99,288.06

Finding the Fourth Proportional to 179,860.47, 248,206.05 and 99,288.06

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Solution

The fourth proportional to 179,860.47, 248,206.05 and 99,288.06 is: 137,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,860.47 : 248,206.05 = 99,288.06 : x
  2. Step 2: Convert to fraction form
    179,860.47/248,206.05 = 99,288.06/x
  3. Step 3: Cross multiply
    179,860.47x = 248,206.05 × 99,288.06
  4. Step 4: Simplify right side
    179,860.47x = 24,643,897,184.76
  5. Step 5: Solve for x
    x = 24,643,897,184.76/179,860.47
  6. Step 6: Final answer
    x = 137,016.75

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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.