Home / 271,953.16-407,929.73-103,434.55

Finding the Fourth Proportional to 271,953.16, 407,929.73 and 103,434.55

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Solution

The fourth proportional to 271,953.16, 407,929.73 and 103,434.55 is: 155,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,953.16 : 407,929.73 = 103,434.55 : x
  2. Step 2: Convert to fraction form
    271,953.16/407,929.73 = 103,434.55/x
  3. Step 3: Cross multiply
    271,953.16x = 407,929.73 × 103,434.55
  4. Step 4: Simplify right side
    271,953.16x = 42,194,028,054.17
  5. Step 5: Solve for x
    x = 42,194,028,054.17/271,953.16
  6. Step 6: Final answer
    x = 155,151.82

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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.