Home / 127,744.02-191,639.12-52,823.48

Finding the Fourth Proportional to 127,744.02, 191,639.12 and 52,823.48

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Solution

The fourth proportional to 127,744.02, 191,639.12 and 52,823.48 is: 79,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,744.02 : 191,639.12 = 52,823.48 : x
  2. Step 2: Convert to fraction form
    127,744.02/191,639.12 = 52,823.48/x
  3. Step 3: Cross multiply
    127,744.02x = 191,639.12 × 52,823.48
  4. Step 4: Simplify right side
    127,744.02x = 10,123,044,000.22
  5. Step 5: Solve for x
    x = 10,123,044,000.22/127,744.02
  6. Step 6: Final answer
    x = 79,244.76

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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.