Home / 209,642.10-314,592.75-84,984.18

Finding the Fourth Proportional to 209,642.10, 314,592.75 and 84,984.18

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Solution

The fourth proportional to 209,642.10, 314,592.75 and 84,984.18 is: 127,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,642.10 : 314,592.75 = 84,984.18 : x
  2. Step 2: Convert to fraction form
    209,642.10/314,592.75 = 84,984.18/x
  3. Step 3: Cross multiply
    209,642.10x = 314,592.75 × 84,984.18
  4. Step 4: Simplify right side
    209,642.10x = 26,735,406,892.70
  5. Step 5: Solve for x
    x = 26,735,406,892.70/209,642.10
  6. Step 6: Final answer
    x = 127,528.81

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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.