Home / 212,381.18-293,070.92-126,335.42

Finding the Fourth Proportional to 212,381.18, 293,070.92 and 126,335.42

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Solution

The fourth proportional to 212,381.18, 293,070.92 and 126,335.42 is: 174,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,381.18 : 293,070.92 = 126,335.42 : x
  2. Step 2: Convert to fraction form
    212,381.18/293,070.92 = 126,335.42/x
  3. Step 3: Cross multiply
    212,381.18x = 293,070.92 × 126,335.42
  4. Step 4: Simplify right side
    212,381.18x = 37,025,237,767.99
  5. Step 5: Solve for x
    x = 37,025,237,767.99/212,381.18
  6. Step 6: Final answer
    x = 174,333.89

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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.