Home / 212,649.68-293,469.80-117,156.35

Finding the Fourth Proportional to 212,649.68, 293,469.80 and 117,156.35

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Solution

The fourth proportional to 212,649.68, 293,469.80 and 117,156.35 is: 161,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,649.68 : 293,469.80 = 117,156.35 : x
  2. Step 2: Convert to fraction form
    212,649.68/293,469.80 = 117,156.35/x
  3. Step 3: Cross multiply
    212,649.68x = 293,469.80 × 117,156.35
  4. Step 4: Simplify right side
    212,649.68x = 34,381,848,550.10
  5. Step 5: Solve for x
    x = 34,381,848,550.10/212,649.68
  6. Step 6: Final answer
    x = 161,683.05

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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.