Home / 209,936.88-289,549.08-134,492.40

Finding the Fourth Proportional to 209,936.88, 289,549.08 and 134,492.40

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Solution

The fourth proportional to 209,936.88, 289,549.08 and 134,492.40 is: 185,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,936.88 : 289,549.08 = 134,492.40 : x
  2. Step 2: Convert to fraction form
    209,936.88/289,549.08 = 134,492.40/x
  3. Step 3: Cross multiply
    209,936.88x = 289,549.08 × 134,492.40
  4. Step 4: Simplify right side
    209,936.88x = 38,942,150,686.99
  5. Step 5: Solve for x
    x = 38,942,150,686.99/209,936.88
  6. Step 6: Final answer
    x = 185,494.57

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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.