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Finding the Fourth Proportional to 144,168.65, 216,299.24 and 69,294.22

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Solution

The fourth proportional to 144,168.65, 216,299.24 and 69,294.22 is: 103,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,168.65 : 216,299.24 = 69,294.22 : x
  2. Step 2: Convert to fraction form
    144,168.65/216,299.24 = 69,294.22/x
  3. Step 3: Cross multiply
    144,168.65x = 216,299.24 × 69,294.22
  4. Step 4: Simplify right side
    144,168.65x = 14,988,288,101.49
  5. Step 5: Solve for x
    x = 14,988,288,101.49/144,168.65
  6. Step 6: Final answer
    x = 103,963.57

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1.5x scale

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.