Home / 156,421.94-215,706.85-117,752.37

Finding the Fourth Proportional to 156,421.94, 215,706.85 and 117,752.37

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Solution

The fourth proportional to 156,421.94, 215,706.85 and 117,752.37 is: 162,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,421.94 : 215,706.85 = 117,752.37 : x
  2. Step 2: Convert to fraction form
    156,421.94/215,706.85 = 117,752.37/x
  3. Step 3: Cross multiply
    156,421.94x = 215,706.85 × 117,752.37
  4. Step 4: Simplify right side
    156,421.94x = 25,399,991,709.45
  5. Step 5: Solve for x
    x = 25,399,991,709.45/156,421.94
  6. Step 6: Final answer
    x = 162,381.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.