Home / 84,360.10-126,497.16-28,180.02

Finding the Fourth Proportional to 84,360.10, 126,497.16 and 28,180.02

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Solution

The fourth proportional to 84,360.10, 126,497.16 and 28,180.02 is: 42,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,360.10 : 126,497.16 = 28,180.02 : x
  2. Step 2: Convert to fraction form
    84,360.10/126,497.16 = 28,180.02/x
  3. Step 3: Cross multiply
    84,360.10x = 126,497.16 × 28,180.02
  4. Step 4: Simplify right side
    84,360.10x = 3,564,692,498.74
  5. Step 5: Solve for x
    x = 3,564,692,498.74/84,360.10
  6. Step 6: Final answer
    x = 42,255.67

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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.