Home / 108,512.76-162,874.35-52,392.45

Finding the Fourth Proportional to 108,512.76, 162,874.35 and 52,392.45

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Solution

The fourth proportional to 108,512.76, 162,874.35 and 52,392.45 is: 78,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,512.76 : 162,874.35 = 52,392.45 : x
  2. Step 2: Convert to fraction form
    108,512.76/162,874.35 = 52,392.45/x
  3. Step 3: Cross multiply
    108,512.76x = 162,874.35 × 52,392.45
  4. Step 4: Simplify right side
    108,512.76x = 8,533,386,238.66
  5. Step 5: Solve for x
    x = 8,533,386,238.66/108,512.76
  6. Step 6: Final answer
    x = 78,639.47

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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.