Home / 84,173.04-126,318.69-76,133.34

Finding the Fourth Proportional to 84,173.04, 126,318.69 and 76,133.34

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Solution

The fourth proportional to 84,173.04, 126,318.69 and 76,133.34 is: 114,253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,173.04 : 126,318.69 = 76,133.34 : x
  2. Step 2: Convert to fraction form
    84,173.04/126,318.69 = 76,133.34/x
  3. Step 3: Cross multiply
    84,173.04x = 126,318.69 × 76,133.34
  4. Step 4: Simplify right side
    84,173.04x = 9,617,063,774.12
  5. Step 5: Solve for x
    x = 9,617,063,774.12/84,173.04
  6. Step 6: Final answer
    x = 114,253.49

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1.5x scale

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.