Home / 208,549.11-312,848.01-75,492.03

Finding the Fourth Proportional to 208,549.11, 312,848.01 and 75,492.03

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Solution

The fourth proportional to 208,549.11, 312,848.01 and 75,492.03 is: 113,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,549.11 : 312,848.01 = 75,492.03 : x
  2. Step 2: Convert to fraction form
    208,549.11/312,848.01 = 75,492.03/x
  3. Step 3: Cross multiply
    208,549.11x = 312,848.01 × 75,492.03
  4. Step 4: Simplify right side
    208,549.11x = 23,617,531,356.36
  5. Step 5: Solve for x
    x = 23,617,531,356.36/208,549.11
  6. Step 6: Final answer
    x = 113,246.86

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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.