Home / 156,730.88-235,096.43-56,890.89

Finding the Fourth Proportional to 156,730.88, 235,096.43 and 56,890.89

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Solution

The fourth proportional to 156,730.88, 235,096.43 and 56,890.89 is: 85,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,730.88 : 235,096.43 = 56,890.89 : x
  2. Step 2: Convert to fraction form
    156,730.88/235,096.43 = 56,890.89/x
  3. Step 3: Cross multiply
    156,730.88x = 235,096.43 × 56,890.89
  4. Step 4: Simplify right side
    156,730.88x = 13,374,844,854.07
  5. Step 5: Solve for x
    x = 13,374,844,854.07/156,730.88
  6. Step 6: Final answer
    x = 85,336.37

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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.