Home / 101,395.32-152,096.88-30,319.02

Finding the Fourth Proportional to 101,395.32, 152,096.88 and 30,319.02

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Solution

The fourth proportional to 101,395.32, 152,096.88 and 30,319.02 is: 45,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,395.32 : 152,096.88 = 30,319.02 : x
  2. Step 2: Convert to fraction form
    101,395.32/152,096.88 = 30,319.02/x
  3. Step 3: Cross multiply
    101,395.32x = 152,096.88 × 30,319.02
  4. Step 4: Simplify right side
    101,395.32x = 4,611,428,346.66
  5. Step 5: Solve for x
    x = 4,611,428,346.66/101,395.32
  6. Step 6: Final answer
    x = 45,479.70

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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.