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Finding the Fourth Proportional to 169,780, 254,670 and 53,044

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Solution

The fourth proportional to 169,780, 254,670 and 53,044 is: 79,566

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,780 : 254,670 = 53,044 : x
  2. Step 2: Convert to fraction form
    169,780/254,670 = 53,044/x
  3. Step 3: Cross multiply
    169,780x = 254,670 × 53,044
  4. Step 4: Simplify right side
    169,780x = 13,508,715,480
  5. Step 5: Solve for x
    x = 13,508,715,480/169,780
  6. Step 6: Final answer
    x = 79,566

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