Home / 163,000.23-224,936.96-90,391.40

Finding the Fourth Proportional to 163,000.23, 224,936.96 and 90,391.40

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Solution

The fourth proportional to 163,000.23, 224,936.96 and 90,391.40 is: 124,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,000.23 : 224,936.96 = 90,391.40 : x
  2. Step 2: Convert to fraction form
    163,000.23/224,936.96 = 90,391.40/x
  3. Step 3: Cross multiply
    163,000.23x = 224,936.96 × 90,391.40
  4. Step 4: Simplify right side
    163,000.23x = 20,332,367,766.74
  5. Step 5: Solve for x
    x = 20,332,367,766.74/163,000.23
  6. Step 6: Final answer
    x = 124,738.28

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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.