Home / 151,312.50-208,812.69-84,245.94

Finding the Fourth Proportional to 151,312.50, 208,812.69 and 84,245.94

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Solution

The fourth proportional to 151,312.50, 208,812.69 and 84,245.94 is: 116,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,312.50 : 208,812.69 = 84,245.94 : x
  2. Step 2: Convert to fraction form
    151,312.50/208,812.69 = 84,245.94/x
  3. Step 3: Cross multiply
    151,312.50x = 208,812.69 × 84,245.94
  4. Step 4: Simplify right side
    151,312.50x = 17,591,621,352.98
  5. Step 5: Solve for x
    x = 17,591,621,352.98/151,312.50
  6. Step 6: Final answer
    x = 116,260.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.