Home / 156,721.88-235,082.30-56,881.94

Finding the Fourth Proportional to 156,721.88, 235,082.30 and 56,881.94

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Solution

The fourth proportional to 156,721.88, 235,082.30 and 56,881.94 is: 85,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,721.88 : 235,082.30 = 56,881.94 : x
  2. Step 2: Convert to fraction form
    156,721.88/235,082.30 = 56,881.94/x
  3. Step 3: Cross multiply
    156,721.88x = 235,082.30 × 56,881.94
  4. Step 4: Simplify right side
    156,721.88x = 13,371,936,108.25
  5. Step 5: Solve for x
    x = 13,371,936,108.25/156,721.88
  6. Step 6: Final answer
    x = 85,322.72

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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.