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Finding the Fourth Proportional to 144,076.58, 216,097.85 and 38,903.75

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Solution

The fourth proportional to 144,076.58, 216,097.85 and 38,903.75 is: 58,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,076.58 : 216,097.85 = 38,903.75 : x
  2. Step 2: Convert to fraction form
    144,076.58/216,097.85 = 38,903.75/x
  3. Step 3: Cross multiply
    144,076.58x = 216,097.85 × 38,903.75
  4. Step 4: Simplify right side
    144,076.58x = 8,407,015,748.71
  5. Step 5: Solve for x
    x = 8,407,015,748.71/144,076.58
  6. Step 6: Final answer
    x = 58,351.02

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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.