Home / 243,123.32-335,108.58-162,521.43

Finding the Fourth Proportional to 243,123.32, 335,108.58 and 162,521.43

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Solution

The fourth proportional to 243,123.32, 335,108.58 and 162,521.43 is: 224,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,123.32 : 335,108.58 = 162,521.43 : x
  2. Step 2: Convert to fraction form
    243,123.32/335,108.58 = 162,521.43/x
  3. Step 3: Cross multiply
    243,123.32x = 335,108.58 × 162,521.43
  4. Step 4: Simplify right side
    243,123.32x = 54,462,325,626.87
  5. Step 5: Solve for x
    x = 54,462,325,626.87/243,123.32
  6. Step 6: Final answer
    x = 224,011.12

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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.