Home / 101,270.32-151,870.28-56,360.20

Finding the Fourth Proportional to 101,270.32, 151,870.28 and 56,360.20

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Solution

The fourth proportional to 101,270.32, 151,870.28 and 56,360.20 is: 84,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,270.32 : 151,870.28 = 56,360.20 : x
  2. Step 2: Convert to fraction form
    101,270.32/151,870.28 = 56,360.20/x
  3. Step 3: Cross multiply
    101,270.32x = 151,870.28 × 56,360.20
  4. Step 4: Simplify right side
    101,270.32x = 8,559,439,354.86
  5. Step 5: Solve for x
    x = 8,559,439,354.86/101,270.32
  6. Step 6: Final answer
    x = 84,520.71

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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.