Home / 224,239.86-309,436.29-123,638.58

Finding the Fourth Proportional to 224,239.86, 309,436.29 and 123,638.58

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Solution

The fourth proportional to 224,239.86, 309,436.29 and 123,638.58 is: 170,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,239.86 : 309,436.29 = 123,638.58 : x
  2. Step 2: Convert to fraction form
    224,239.86/309,436.29 = 123,638.58/x
  3. Step 3: Cross multiply
    224,239.86x = 309,436.29 × 123,638.58
  4. Step 4: Simplify right side
    224,239.86x = 38,258,263,496.07
  5. Step 5: Solve for x
    x = 38,258,263,496.07/224,239.86
  6. Step 6: Final answer
    x = 170,613.13

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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.