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Finding the Fourth Proportional to 79,153.26, 118,742.85 and 37,586.22

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Solution

The fourth proportional to 79,153.26, 118,742.85 and 37,586.22 is: 56,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,153.26 : 118,742.85 = 37,586.22 : x
  2. Step 2: Convert to fraction form
    79,153.26/118,742.85 = 37,586.22/x
  3. Step 3: Cross multiply
    79,153.26x = 118,742.85 × 37,586.22
  4. Step 4: Simplify right side
    79,153.26x = 4,463,094,883.53
  5. Step 5: Solve for x
    x = 4,463,094,883.53/79,153.26
  6. Step 6: Final answer
    x = 56,385.48

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1.5x scale

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.