Home / 144,137.45-216,211.64-38,956.46

Finding the Fourth Proportional to 144,137.45, 216,211.64 and 38,956.46

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Solution

The fourth proportional to 144,137.45, 216,211.64 and 38,956.46 is: 58,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,137.45 : 216,211.64 = 38,956.46 : x
  2. Step 2: Convert to fraction form
    144,137.45/216,211.64 = 38,956.46/x
  3. Step 3: Cross multiply
    144,137.45x = 216,211.64 × 38,956.46
  4. Step 4: Simplify right side
    144,137.45x = 8,422,838,829.35
  5. Step 5: Solve for x
    x = 8,422,838,829.35/144,137.45
  6. Step 6: Final answer
    x = 58,436.16

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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.