Home / 126,977.72-174,830.27-107,817.17

Finding the Fourth Proportional to 126,977.72, 174,830.27 and 107,817.17

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Solution

The fourth proportional to 126,977.72, 174,830.27 and 107,817.17 is: 148,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,977.72 : 174,830.27 = 107,817.17 : x
  2. Step 2: Convert to fraction form
    126,977.72/174,830.27 = 107,817.17/x
  3. Step 3: Cross multiply
    126,977.72x = 174,830.27 × 107,817.17
  4. Step 4: Simplify right side
    126,977.72x = 18,849,703,528.50
  5. Step 5: Solve for x
    x = 18,849,703,528.50/126,977.72
  6. Step 6: Final answer
    x = 148,448.91

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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.