Home / 156,536.04-216,039.24-102,865.44

Finding the Fourth Proportional to 156,536.04, 216,039.24 and 102,865.44

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Solution

The fourth proportional to 156,536.04, 216,039.24 and 102,865.44 is: 141,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,536.04 : 216,039.24 = 102,865.44 : x
  2. Step 2: Convert to fraction form
    156,536.04/216,039.24 = 102,865.44/x
  3. Step 3: Cross multiply
    156,536.04x = 216,039.24 × 102,865.44
  4. Step 4: Simplify right side
    156,536.04x = 22,222,971,479.87
  5. Step 5: Solve for x
    x = 22,222,971,479.87/156,536.04
  6. Step 6: Final answer
    x = 141,967.12

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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.