Home / 141,484.88-195,245.02-77,822.66

Finding the Fourth Proportional to 141,484.88, 195,245.02 and 77,822.66

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Solution

The fourth proportional to 141,484.88, 195,245.02 and 77,822.66 is: 107,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,484.88 : 195,245.02 = 77,822.66 : x
  2. Step 2: Convert to fraction form
    141,484.88/195,245.02 = 77,822.66/x
  3. Step 3: Cross multiply
    141,484.88x = 195,245.02 × 77,822.66
  4. Step 4: Simplify right side
    141,484.88x = 15,194,486,808.15
  5. Step 5: Solve for x
    x = 15,194,486,808.15/141,484.88
  6. Step 6: Final answer
    x = 107,393.01

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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.