Home / 148,444.62-204,866.54-81,389.58

Finding the Fourth Proportional to 148,444.62, 204,866.54 and 81,389.58

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Solution

The fourth proportional to 148,444.62, 204,866.54 and 81,389.58 is: 112,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,444.62 : 204,866.54 = 81,389.58 : x
  2. Step 2: Convert to fraction form
    148,444.62/204,866.54 = 81,389.58/x
  3. Step 3: Cross multiply
    148,444.62x = 204,866.54 × 81,389.58
  4. Step 4: Simplify right side
    148,444.62x = 16,674,001,646.65
  5. Step 5: Solve for x
    x = 16,674,001,646.65/148,444.62
  6. Step 6: Final answer
    x = 112,324.73

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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.