Home / 127,821.69-191,602.65-52,982.55

Finding the Fourth Proportional to 127,821.69, 191,602.65 and 52,982.55

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Solution

The fourth proportional to 127,821.69, 191,602.65 and 52,982.55 is: 79,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,821.69 : 191,602.65 = 52,982.55 : x
  2. Step 2: Convert to fraction form
    127,821.69/191,602.65 = 52,982.55/x
  3. Step 3: Cross multiply
    127,821.69x = 191,602.65 × 52,982.55
  4. Step 4: Simplify right side
    127,821.69x = 10,151,596,983.76
  5. Step 5: Solve for x
    x = 10,151,596,983.76/127,821.69
  6. Step 6: Final answer
    x = 79,419.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.