Home / 142,774.62-214,258.83-76,262.49

Finding the Fourth Proportional to 142,774.62, 214,258.83 and 76,262.49

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Solution

The fourth proportional to 142,774.62, 214,258.83 and 76,262.49 is: 114,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,774.62 : 214,258.83 = 76,262.49 : x
  2. Step 2: Convert to fraction form
    142,774.62/214,258.83 = 76,262.49/x
  3. Step 3: Cross multiply
    142,774.62x = 214,258.83 × 76,262.49
  4. Step 4: Simplify right side
    142,774.62x = 16,339,911,880.29
  5. Step 5: Solve for x
    x = 16,339,911,880.29/142,774.62
  6. Step 6: Final answer
    x = 114,445.49

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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.