Home / 231,325.35-346,990.47-81,537.72

Finding the Fourth Proportional to 231,325.35, 346,990.47 and 81,537.72

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Solution

The fourth proportional to 231,325.35, 346,990.47 and 81,537.72 is: 122,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,325.35 : 346,990.47 = 81,537.72 : x
  2. Step 2: Convert to fraction form
    231,325.35/346,990.47 = 81,537.72/x
  3. Step 3: Cross multiply
    231,325.35x = 346,990.47 × 81,537.72
  4. Step 4: Simplify right side
    231,325.35x = 28,292,811,785.53
  5. Step 5: Solve for x
    x = 28,292,811,785.53/231,325.35
  6. Step 6: Final answer
    x = 122,307.44

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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.