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Finding the Fourth Proportional to 169,117.14, 253,675.54 and 69,277.52

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Solution

The fourth proportional to 169,117.14, 253,675.54 and 69,277.52 is: 103,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,117.14 : 253,675.54 = 69,277.52 : x
  2. Step 2: Convert to fraction form
    169,117.14/253,675.54 = 69,277.52/x
  3. Step 3: Cross multiply
    169,117.14x = 253,675.54 × 69,277.52
  4. Step 4: Simplify right side
    169,117.14x = 17,574,012,295.86
  5. Step 5: Solve for x
    x = 17,574,012,295.86/169,117.14
  6. Step 6: Final answer
    x = 103,916.21

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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.