Home / 141,347.41-195,063.11-77,686.87

Finding the Fourth Proportional to 141,347.41, 195,063.11 and 77,686.87

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Solution

The fourth proportional to 141,347.41, 195,063.11 and 77,686.87 is: 107,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,347.41 : 195,063.11 = 77,686.87 : x
  2. Step 2: Convert to fraction form
    141,347.41/195,063.11 = 77,686.87/x
  3. Step 3: Cross multiply
    141,347.41x = 195,063.11 × 77,686.87
  4. Step 4: Simplify right side
    141,347.41x = 15,153,842,468.37
  5. Step 5: Solve for x
    x = 15,153,842,468.37/141,347.41
  6. Step 6: Final answer
    x = 107,209.91

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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.