Home / 154,326.70-231,490.05-148,421.80

Finding the Fourth Proportional to 154,326.70, 231,490.05 and 148,421.80

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Solution

The fourth proportional to 154,326.70, 231,490.05 and 148,421.80 is: 222,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,326.70 : 231,490.05 = 148,421.80 : x
  2. Step 2: Convert to fraction form
    154,326.70/231,490.05 = 148,421.80/x
  3. Step 3: Cross multiply
    154,326.70x = 231,490.05 × 148,421.80
  4. Step 4: Simplify right side
    154,326.70x = 34,358,169,903.09
  5. Step 5: Solve for x
    x = 34,358,169,903.09/154,326.70
  6. Step 6: Final answer
    x = 222,632.70

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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.