Home / 152,214.18-228,386.91-82,077.30

Finding the Fourth Proportional to 152,214.18, 228,386.91 and 82,077.30

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Solution

The fourth proportional to 152,214.18, 228,386.91 and 82,077.30 is: 123,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,214.18 : 228,386.91 = 82,077.30 : x
  2. Step 2: Convert to fraction form
    152,214.18/228,386.91 = 82,077.30/x
  3. Step 3: Cross multiply
    152,214.18x = 228,386.91 × 82,077.30
  4. Step 4: Simplify right side
    152,214.18x = 18,745,380,928.14
  5. Step 5: Solve for x
    x = 18,745,380,928.14/152,214.18
  6. Step 6: Final answer
    x = 123,151.34

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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.