Home / 141,476.81-212,229.05-51,543.95

Finding the Fourth Proportional to 141,476.81, 212,229.05 and 51,543.95

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Solution

The fourth proportional to 141,476.81, 212,229.05 and 51,543.95 is: 77,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,476.81 : 212,229.05 = 51,543.95 : x
  2. Step 2: Convert to fraction form
    141,476.81/212,229.05 = 51,543.95/x
  3. Step 3: Cross multiply
    141,476.81x = 212,229.05 × 51,543.95
  4. Step 4: Simplify right side
    141,476.81x = 10,939,122,222.88
  5. Step 5: Solve for x
    x = 10,939,122,222.88/141,476.81
  6. Step 6: Final answer
    x = 77,320.96

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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.