Home / 156,707.31-234,956.58-56,854.56

Finding the Fourth Proportional to 156,707.31, 234,956.58 and 56,854.56

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Solution

The fourth proportional to 156,707.31, 234,956.58 and 56,854.56 is: 85,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,707.31 : 234,956.58 = 56,854.56 : x
  2. Step 2: Convert to fraction form
    156,707.31/234,956.58 = 56,854.56/x
  3. Step 3: Cross multiply
    156,707.31x = 234,956.58 × 56,854.56
  4. Step 4: Simplify right side
    156,707.31x = 13,358,352,975.00
  5. Step 5: Solve for x
    x = 13,358,352,975.00/156,707.31
  6. Step 6: Final answer
    x = 85,243.97

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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.