Home / 141,484.32-195,244.28-77,822.11

Finding the Fourth Proportional to 141,484.32, 195,244.28 and 77,822.11

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Solution

The fourth proportional to 141,484.32, 195,244.28 and 77,822.11 is: 107,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,484.32 : 195,244.28 = 77,822.11 : x
  2. Step 2: Convert to fraction form
    141,484.32/195,244.28 = 77,822.11/x
  3. Step 3: Cross multiply
    141,484.32x = 195,244.28 × 77,822.11
  4. Step 4: Simplify right side
    141,484.32x = 15,194,321,835.03
  5. Step 5: Solve for x
    x = 15,194,321,835.03/141,484.32
  6. Step 6: Final answer
    x = 107,392.27

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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.