Home / 213,065.32-293,924.82-139,434.16

Finding the Fourth Proportional to 213,065.32, 293,924.82 and 139,434.16

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Solution

The fourth proportional to 213,065.32, 293,924.82 and 139,434.16 is: 192,350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,065.32 : 293,924.82 = 139,434.16 : x
  2. Step 2: Convert to fraction form
    213,065.32/293,924.82 = 139,434.16/x
  3. Step 3: Cross multiply
    213,065.32x = 293,924.82 × 139,434.16
  4. Step 4: Simplify right side
    213,065.32x = 40,983,160,379.85
  5. Step 5: Solve for x
    x = 40,983,160,379.85/213,065.32
  6. Step 6: Final answer
    x = 192,350.22

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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.