Home / 104,273.35-156,411.55-72,220.81

Finding the Fourth Proportional to 104,273.35, 156,411.55 and 72,220.81

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Solution

The fourth proportional to 104,273.35, 156,411.55 and 72,220.81 is: 108,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,273.35 : 156,411.55 = 72,220.81 : x
  2. Step 2: Convert to fraction form
    104,273.35/156,411.55 = 72,220.81/x
  3. Step 3: Cross multiply
    104,273.35x = 156,411.55 × 72,220.81
  4. Step 4: Simplify right side
    104,273.35x = 11,296,168,834.36
  5. Step 5: Solve for x
    x = 11,296,168,834.36/104,273.35
  6. Step 6: Final answer
    x = 108,332.27

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1.5x scale

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.