Home / 156,252.49-234,465.60-76,291.43

Finding the Fourth Proportional to 156,252.49, 234,465.60 and 76,291.43

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Solution

The fourth proportional to 156,252.49, 234,465.60 and 76,291.43 is: 114,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,252.49 : 234,465.60 = 76,291.43 : x
  2. Step 2: Convert to fraction form
    156,252.49/234,465.60 = 76,291.43/x
  3. Step 3: Cross multiply
    156,252.49x = 234,465.60 × 76,291.43
  4. Step 4: Simplify right side
    156,252.49x = 17,887,716,495.97
  5. Step 5: Solve for x
    x = 17,887,716,495.97/156,252.49
  6. Step 6: Final answer
    x = 114,479.56

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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.