Home / 157,834.20-236,492.10-131,395.80

Finding the Fourth Proportional to 157,834.20, 236,492.10 and 131,395.80

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Solution

The fourth proportional to 157,834.20, 236,492.10 and 131,395.80 is: 196,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,834.20 : 236,492.10 = 131,395.80 : x
  2. Step 2: Convert to fraction form
    157,834.20/236,492.10 = 131,395.80/x
  3. Step 3: Cross multiply
    157,834.20x = 236,492.10 × 131,395.80
  4. Step 4: Simplify right side
    157,834.20x = 31,074,068,673.18
  5. Step 5: Solve for x
    x = 31,074,068,673.18/157,834.20
  6. Step 6: Final answer
    x = 196,877.92

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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.