Home / 141,646.98-195,474.01-77,116.66

Finding the Fourth Proportional to 141,646.98, 195,474.01 and 77,116.66

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Solution

The fourth proportional to 141,646.98, 195,474.01 and 77,116.66 is: 106,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,646.98 : 195,474.01 = 77,116.66 : x
  2. Step 2: Convert to fraction form
    141,646.98/195,474.01 = 77,116.66/x
  3. Step 3: Cross multiply
    141,646.98x = 195,474.01 × 77,116.66
  4. Step 4: Simplify right side
    141,646.98x = 15,074,303,253.34
  5. Step 5: Solve for x
    x = 15,074,303,253.34/141,646.98
  6. Step 6: Final answer
    x = 106,421.63

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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.