Home / 141,332.82-195,037.05-77,669.25

Finding the Fourth Proportional to 141,332.82, 195,037.05 and 77,669.25

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Solution

The fourth proportional to 141,332.82, 195,037.05 and 77,669.25 is: 107,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,332.82 : 195,037.05 = 77,669.25 : x
  2. Step 2: Convert to fraction form
    141,332.82/195,037.05 = 77,669.25/x
  3. Step 3: Cross multiply
    141,332.82x = 195,037.05 × 77,669.25
  4. Step 4: Simplify right side
    141,332.82x = 15,148,381,395.71
  5. Step 5: Solve for x
    x = 15,148,381,395.71/141,332.82
  6. Step 6: Final answer
    x = 107,182.33

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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.