Home / 145,313.84-218,005.68-50,530.16

Finding the Fourth Proportional to 145,313.84, 218,005.68 and 50,530.16

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Solution

The fourth proportional to 145,313.84, 218,005.68 and 50,530.16 is: 75,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,313.84 : 218,005.68 = 50,530.16 : x
  2. Step 2: Convert to fraction form
    145,313.84/218,005.68 = 50,530.16/x
  3. Step 3: Cross multiply
    145,313.84x = 218,005.68 × 50,530.16
  4. Step 4: Simplify right side
    145,313.84x = 11,015,861,891.31
  5. Step 5: Solve for x
    x = 11,015,861,891.31/145,313.84
  6. Step 6: Final answer
    x = 75,807.38

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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.