Home / 109,839.36-164,720.07-47,475.84

Finding the Fourth Proportional to 109,839.36, 164,720.07 and 47,475.84

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Solution

The fourth proportional to 109,839.36, 164,720.07 and 47,475.84 is: 71,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,839.36 : 164,720.07 = 47,475.84 : x
  2. Step 2: Convert to fraction form
    109,839.36/164,720.07 = 47,475.84/x
  3. Step 3: Cross multiply
    109,839.36x = 164,720.07 × 47,475.84
  4. Step 4: Simplify right side
    109,839.36x = 7,820,223,688.11
  5. Step 5: Solve for x
    x = 7,820,223,688.11/109,839.36
  6. Step 6: Final answer
    x = 71,196.92

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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.