Home / 93,252.12-139,906.02-87,682.20

Finding the Fourth Proportional to 93,252.12, 139,906.02 and 87,682.20

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Solution

The fourth proportional to 93,252.12, 139,906.02 and 87,682.20 is: 131,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,252.12 : 139,906.02 = 87,682.20 : x
  2. Step 2: Convert to fraction form
    93,252.12/139,906.02 = 87,682.20/x
  3. Step 3: Cross multiply
    93,252.12x = 139,906.02 × 87,682.20
  4. Step 4: Simplify right side
    93,252.12x = 12,267,267,626.84
  5. Step 5: Solve for x
    x = 12,267,267,626.84/93,252.12
  6. Step 6: Final answer
    x = 131,549.48

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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.