Home / 156,422.40-234,634.08-38,093.76

Finding the Fourth Proportional to 156,422.40, 234,634.08 and 38,093.76

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Solution

The fourth proportional to 156,422.40, 234,634.08 and 38,093.76 is: 57,140.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,422.40 : 234,634.08 = 38,093.76 : x
  2. Step 2: Convert to fraction form
    156,422.40/234,634.08 = 38,093.76/x
  3. Step 3: Cross multiply
    156,422.40x = 234,634.08 × 38,093.76
  4. Step 4: Simplify right side
    156,422.40x = 8,938,094,331.34
  5. Step 5: Solve for x
    x = 8,938,094,331.34/156,422.40
  6. Step 6: Final answer
    x = 57,140.76

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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.