Home / 151,259.50-208,730.17-83,263.20

Finding the Fourth Proportional to 151,259.50, 208,730.17 and 83,263.20

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Solution

The fourth proportional to 151,259.50, 208,730.17 and 83,263.20 is: 114,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,259.50 : 208,730.17 = 83,263.20 : x
  2. Step 2: Convert to fraction form
    151,259.50/208,730.17 = 83,263.20/x
  3. Step 3: Cross multiply
    151,259.50x = 208,730.17 × 83,263.20
  4. Step 4: Simplify right side
    151,259.50x = 17,379,541,890.74
  5. Step 5: Solve for x
    x = 17,379,541,890.74/151,259.50
  6. Step 6: Final answer
    x = 114,898.85

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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.