Home / 136,257.19-204,393.07-42,770.23

Finding the Fourth Proportional to 136,257.19, 204,393.07 and 42,770.23

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Solution

The fourth proportional to 136,257.19, 204,393.07 and 42,770.23 is: 64,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,257.19 : 204,393.07 = 42,770.23 : x
  2. Step 2: Convert to fraction form
    136,257.19/204,393.07 = 42,770.23/x
  3. Step 3: Cross multiply
    136,257.19x = 204,393.07 × 42,770.23
  4. Step 4: Simplify right side
    136,257.19x = 8,741,938,156.79
  5. Step 5: Solve for x
    x = 8,741,938,156.79/136,257.19
  6. Step 6: Final answer
    x = 64,157.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.