Home / 152,009.79-228,047.28-45,402.15

Finding the Fourth Proportional to 152,009.79, 228,047.28 and 45,402.15

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Solution

The fourth proportional to 152,009.79, 228,047.28 and 45,402.15 is: 68,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,009.79 : 228,047.28 = 45,402.15 : x
  2. Step 2: Convert to fraction form
    152,009.79/228,047.28 = 45,402.15/x
  3. Step 3: Cross multiply
    152,009.79x = 228,047.28 × 45,402.15
  4. Step 4: Simplify right side
    152,009.79x = 10,353,836,813.65
  5. Step 5: Solve for x
    x = 10,353,836,813.65/152,009.79
  6. Step 6: Final answer
    x = 68,112.96

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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.