Home / 101,981.07-152,887.37-45,014.40

Finding the Fourth Proportional to 101,981.07, 152,887.37 and 45,014.40

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Solution

The fourth proportional to 101,981.07, 152,887.37 and 45,014.40 is: 67,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,981.07 : 152,887.37 = 45,014.40 : x
  2. Step 2: Convert to fraction form
    101,981.07/152,887.37 = 45,014.40/x
  3. Step 3: Cross multiply
    101,981.07x = 152,887.37 × 45,014.40
  4. Step 4: Simplify right side
    101,981.07x = 6,882,133,003.06
  5. Step 5: Solve for x
    x = 6,882,133,003.06/101,981.07
  6. Step 6: Final answer
    x = 67,484.42

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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.