Home / 129,883.03-194,652.32-66,700.60

Finding the Fourth Proportional to 129,883.03, 194,652.32 and 66,700.60

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Solution

The fourth proportional to 129,883.03, 194,652.32 and 66,700.60 is: 99,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,883.03 : 194,652.32 = 66,700.60 : x
  2. Step 2: Convert to fraction form
    129,883.03/194,652.32 = 66,700.60/x
  3. Step 3: Cross multiply
    129,883.03x = 194,652.32 × 66,700.60
  4. Step 4: Simplify right side
    129,883.03x = 12,983,426,368.64
  5. Step 5: Solve for x
    x = 12,983,426,368.64/129,883.03
  6. Step 6: Final answer
    x = 99,962.45

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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.