Home / 148,384.36-204,769.38-81,314.92

Finding the Fourth Proportional to 148,384.36, 204,769.38 and 81,314.92

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Solution

The fourth proportional to 148,384.36, 204,769.38 and 81,314.92 is: 112,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,384.36 : 204,769.38 = 81,314.92 : x
  2. Step 2: Convert to fraction form
    148,384.36/204,769.38 = 81,314.92/x
  3. Step 3: Cross multiply
    148,384.36x = 204,769.38 × 81,314.92
  4. Step 4: Simplify right side
    148,384.36x = 16,650,805,753.15
  5. Step 5: Solve for x
    x = 16,650,805,753.15/148,384.36
  6. Step 6: Final answer
    x = 112,214.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.