Home / 149,349.42-206,084.40-84,818.24

Finding the Fourth Proportional to 149,349.42, 206,084.40 and 84,818.24

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Solution

The fourth proportional to 149,349.42, 206,084.40 and 84,818.24 is: 117,039.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,349.42 : 206,084.40 = 84,818.24 : x
  2. Step 2: Convert to fraction form
    149,349.42/206,084.40 = 84,818.24/x
  3. Step 3: Cross multiply
    149,349.42x = 206,084.40 × 84,818.24
  4. Step 4: Simplify right side
    149,349.42x = 17,479,716,000.88
  5. Step 5: Solve for x
    x = 17,479,716,000.88/149,349.42
  6. Step 6: Final answer
    x = 117,039.06

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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.