Home / 102,212.04-153,318.08-45,986.48

Finding the Fourth Proportional to 102,212.04, 153,318.08 and 45,986.48

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Solution

The fourth proportional to 102,212.04, 153,318.08 and 45,986.48 is: 68,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212.04 : 153,318.08 = 45,986.48 : x
  2. Step 2: Convert to fraction form
    102,212.04/153,318.08 = 45,986.48/x
  3. Step 3: Cross multiply
    102,212.04x = 153,318.08 × 45,986.48
  4. Step 4: Simplify right side
    102,212.04x = 7,050,558,819.56
  5. Step 5: Solve for x
    x = 7,050,558,819.56/102,212.04
  6. Step 6: Final answer
    x = 68,979.73

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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.