Home / 141,830.04-195,722.76-77,299.77

Finding the Fourth Proportional to 141,830.04, 195,722.76 and 77,299.77

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Solution

The fourth proportional to 141,830.04, 195,722.76 and 77,299.77 is: 106,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,830.04 : 195,722.76 = 77,299.77 : x
  2. Step 2: Convert to fraction form
    141,830.04/195,722.76 = 77,299.77/x
  3. Step 3: Cross multiply
    141,830.04x = 195,722.76 × 77,299.77
  4. Step 4: Simplify right side
    141,830.04x = 15,129,324,331.77
  5. Step 5: Solve for x
    x = 15,129,324,331.77/141,830.04
  6. Step 6: Final answer
    x = 106,672.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.