Home / 141,535.08-195,316.90-77,006.28

Finding the Fourth Proportional to 141,535.08, 195,316.90 and 77,006.28

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Solution

The fourth proportional to 141,535.08, 195,316.90 and 77,006.28 is: 106,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,535.08 : 195,316.90 = 77,006.28 : x
  2. Step 2: Convert to fraction form
    141,535.08/195,316.90 = 77,006.28/x
  3. Step 3: Cross multiply
    141,535.08x = 195,316.90 × 77,006.28
  4. Step 4: Simplify right side
    141,535.08x = 15,040,627,890.13
  5. Step 5: Solve for x
    x = 15,040,627,890.13/141,535.08
  6. Step 6: Final answer
    x = 106,267.84

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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.