Home / 151,720.56-227,411.28-56,859.48

Finding the Fourth Proportional to 151,720.56, 227,411.28 and 56,859.48

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Solution

The fourth proportional to 151,720.56, 227,411.28 and 56,859.48 is: 85,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,720.56 : 227,411.28 = 56,859.48 : x
  2. Step 2: Convert to fraction form
    151,720.56/227,411.28 = 56,859.48/x
  3. Step 3: Cross multiply
    151,720.56x = 227,411.28 × 56,859.48
  4. Step 4: Simplify right side
    151,720.56x = 12,930,487,126.93
  5. Step 5: Solve for x
    x = 12,930,487,126.93/151,720.56
  6. Step 6: Final answer
    x = 85,225.67

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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.