Home / 212,645.40-293,320.89-126,546.63

Finding the Fourth Proportional to 212,645.40, 293,320.89 and 126,546.63

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Solution

The fourth proportional to 212,645.40, 293,320.89 and 126,546.63 is: 174,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,645.40 : 293,320.89 = 126,546.63 : x
  2. Step 2: Convert to fraction form
    212,645.40/293,320.89 = 126,546.63/x
  3. Step 3: Cross multiply
    212,645.40x = 293,320.89 × 126,546.63
  4. Step 4: Simplify right side
    212,645.40x = 37,118,770,138.10
  5. Step 5: Solve for x
    x = 37,118,770,138.10/212,645.40
  6. Step 6: Final answer
    x = 174,557.13

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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.