Home / 144,186.40-216,302.08-69,292.59

Finding the Fourth Proportional to 144,186.40, 216,302.08 and 69,292.59

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Solution

The fourth proportional to 144,186.40, 216,302.08 and 69,292.59 is: 103,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,186.40 : 216,302.08 = 69,292.59 : x
  2. Step 2: Convert to fraction form
    144,186.40/216,302.08 = 69,292.59/x
  3. Step 3: Cross multiply
    144,186.40x = 216,302.08 × 69,292.59
  4. Step 4: Simplify right side
    144,186.40x = 14,988,131,345.59
  5. Step 5: Solve for x
    x = 14,988,131,345.59/144,186.40
  6. Step 6: Final answer
    x = 103,949.69

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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.