Home / 141,989.63-195,949.36-77,459.91

Finding the Fourth Proportional to 141,989.63, 195,949.36 and 77,459.91

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Solution

The fourth proportional to 141,989.63, 195,949.36 and 77,459.91 is: 106,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,989.63 : 195,949.36 = 77,459.91 : x
  2. Step 2: Convert to fraction form
    141,989.63/195,949.36 = 77,459.91/x
  3. Step 3: Cross multiply
    141,989.63x = 195,949.36 × 77,459.91
  4. Step 4: Simplify right side
    141,989.63x = 15,178,220,254.39
  5. Step 5: Solve for x
    x = 15,178,220,254.39/141,989.63
  6. Step 6: Final answer
    x = 106,896.69

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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.