Home / 148,444.50-204,866.37-81,389.46

Finding the Fourth Proportional to 148,444.50, 204,866.37 and 81,389.46

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Solution

The fourth proportional to 148,444.50, 204,866.37 and 81,389.46 is: 112,324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,444.50 : 204,866.37 = 81,389.46 : x
  2. Step 2: Convert to fraction form
    148,444.50/204,866.37 = 81,389.46/x
  3. Step 3: Cross multiply
    148,444.50x = 204,866.37 × 81,389.46
  4. Step 4: Simplify right side
    148,444.50x = 16,673,963,226.46
  5. Step 5: Solve for x
    x = 16,673,963,226.46/148,444.50
  6. Step 6: Final answer
    x = 112,324.56

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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.