Home / 143,771.52-215,370.88-112,460.16

Finding the Fourth Proportional to 143,771.52, 215,370.88 and 112,460.16

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Solution

The fourth proportional to 143,771.52, 215,370.88 and 112,460.16 is: 168,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,771.52 : 215,370.88 = 112,460.16 : x
  2. Step 2: Convert to fraction form
    143,771.52/215,370.88 = 112,460.16/x
  3. Step 3: Cross multiply
    143,771.52x = 215,370.88 × 112,460.16
  4. Step 4: Simplify right side
    143,771.52x = 24,220,643,624.14
  5. Step 5: Solve for x
    x = 24,220,643,624.14/143,771.52
  6. Step 6: Final answer
    x = 168,466.21

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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.