Home / 180,416.61-248,971.19-99,839.30

Finding the Fourth Proportional to 180,416.61, 248,971.19 and 99,839.30

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Solution

The fourth proportional to 180,416.61, 248,971.19 and 99,839.30 is: 137,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,416.61 : 248,971.19 = 99,839.30 : x
  2. Step 2: Convert to fraction form
    180,416.61/248,971.19 = 99,839.30/x
  3. Step 3: Cross multiply
    180,416.61x = 248,971.19 × 99,839.30
  4. Step 4: Simplify right side
    180,416.61x = 24,857,107,585.71
  5. Step 5: Solve for x
    x = 24,857,107,585.71/180,416.61
  6. Step 6: Final answer
    x = 137,776.16

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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.