Home / 129,209.00-193,852.80-66,073.46

Finding the Fourth Proportional to 129,209.00, 193,852.80 and 66,073.46

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Solution

The fourth proportional to 129,209.00, 193,852.80 and 66,073.46 is: 99,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,209.00 : 193,852.80 = 66,073.46 : x
  2. Step 2: Convert to fraction form
    129,209.00/193,852.80 = 66,073.46/x
  3. Step 3: Cross multiply
    129,209.00x = 193,852.80 × 66,073.46
  4. Step 4: Simplify right side
    129,209.00x = 12,808,524,257.42
  5. Step 5: Solve for x
    x = 12,808,524,257.42/129,209.00
  6. Step 6: Final answer
    x = 99,130.28

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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.