Home / 129,801.40-194,586.37-69,862.07

Finding the Fourth Proportional to 129,801.40, 194,586.37 and 69,862.07

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Solution

The fourth proportional to 129,801.40, 194,586.37 and 69,862.07 is: 104,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,801.40 : 194,586.37 = 69,862.07 : x
  2. Step 2: Convert to fraction form
    129,801.40/194,586.37 = 69,862.07/x
  3. Step 3: Cross multiply
    129,801.40x = 194,586.37 × 69,862.07
  4. Step 4: Simplify right side
    129,801.40x = 13,594,206,913.80
  5. Step 5: Solve for x
    x = 13,594,206,913.80/129,801.40
  6. Step 6: Final answer
    x = 104,730.82

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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.