Home / 212,400.79-293,110.80-116,905.42

Finding the Fourth Proportional to 212,400.79, 293,110.80 and 116,905.42

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Solution

The fourth proportional to 212,400.79, 293,110.80 and 116,905.42 is: 161,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,400.79 : 293,110.80 = 116,905.42 : x
  2. Step 2: Convert to fraction form
    212,400.79/293,110.80 = 116,905.42/x
  3. Step 3: Cross multiply
    212,400.79x = 293,110.80 × 116,905.42
  4. Step 4: Simplify right side
    212,400.79x = 34,266,241,180.54
  5. Step 5: Solve for x
    x = 34,266,241,180.54/212,400.79
  6. Step 6: Final answer
    x = 161,328.22

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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.