Home / 262,537.08-393,915.78-112,810.20

Finding the Fourth Proportional to 262,537.08, 393,915.78 and 112,810.20

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Solution

The fourth proportional to 262,537.08, 393,915.78 and 112,810.20 is: 169,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,537.08 : 393,915.78 = 112,810.20 : x
  2. Step 2: Convert to fraction form
    262,537.08/393,915.78 = 112,810.20/x
  3. Step 3: Cross multiply
    262,537.08x = 393,915.78 × 112,810.20
  4. Step 4: Simplify right side
    262,537.08x = 44,437,717,924.96
  5. Step 5: Solve for x
    x = 44,437,717,924.96/262,537.08
  6. Step 6: Final answer
    x = 169,262.63

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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.