Home / 156,720.57-235,174.23-56,888.55

Finding the Fourth Proportional to 156,720.57, 235,174.23 and 56,888.55

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Solution

The fourth proportional to 156,720.57, 235,174.23 and 56,888.55 is: 85,366.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,720.57 : 235,174.23 = 56,888.55 : x
  2. Step 2: Convert to fraction form
    156,720.57/235,174.23 = 56,888.55/x
  3. Step 3: Cross multiply
    156,720.57x = 235,174.23 × 56,888.55
  4. Step 4: Simplify right side
    156,720.57x = 13,378,720,942.07
  5. Step 5: Solve for x
    x = 13,378,720,942.07/156,720.57
  6. Step 6: Final answer
    x = 85,366.72

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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.