Home / 179,988.28-269,971.48-74,808.16

Finding the Fourth Proportional to 179,988.28, 269,971.48 and 74,808.16

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Solution

The fourth proportional to 179,988.28, 269,971.48 and 74,808.16 is: 112,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,988.28 : 269,971.48 = 74,808.16 : x
  2. Step 2: Convert to fraction form
    179,988.28/269,971.48 = 74,808.16/x
  3. Step 3: Cross multiply
    179,988.28x = 269,971.48 × 74,808.16
  4. Step 4: Simplify right side
    179,988.28x = 20,196,069,089.86
  5. Step 5: Solve for x
    x = 20,196,069,089.86/179,988.28
  6. Step 6: Final answer
    x = 112,207.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.