Home / 156,729.40-235,094.10-56,892.85

Finding the Fourth Proportional to 156,729.40, 235,094.10 and 56,892.85

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Solution

The fourth proportional to 156,729.40, 235,094.10 and 56,892.85 is: 85,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,729.40 : 235,094.10 = 56,892.85 : x
  2. Step 2: Convert to fraction form
    156,729.40/235,094.10 = 56,892.85/x
  3. Step 3: Cross multiply
    156,729.40x = 235,094.10 × 56,892.85
  4. Step 4: Simplify right side
    156,729.40x = 13,375,173,367.19
  5. Step 5: Solve for x
    x = 13,375,173,367.19/156,729.40
  6. Step 6: Final answer
    x = 85,339.28

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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.