Home / 215,533.56-323,448.88-75,292.19

Finding the Fourth Proportional to 215,533.56, 323,448.88 and 75,292.19

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Solution

The fourth proportional to 215,533.56, 323,448.88 and 75,292.19 is: 112,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,533.56 : 323,448.88 = 75,292.19 : x
  2. Step 2: Convert to fraction form
    215,533.56/323,448.88 = 75,292.19/x
  3. Step 3: Cross multiply
    215,533.56x = 323,448.88 × 75,292.19
  4. Step 4: Simplify right side
    215,533.56x = 24,353,174,528.25
  5. Step 5: Solve for x
    x = 24,353,174,528.25/215,533.56
  6. Step 6: Final answer
    x = 112,990.17

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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.